How to Serve Legal Papers on AmerisourceBergen Corporation: A Comprehensive Guide

Serving legal papers on AmerisourceBergen Corporation requires navigating a Fortune 10 pharmaceutical distributor that rebranded to Cencora, Inc. in August 2023, maintains active registered agent filings in all 50 states, and operates DEA-licensed distribution facilities with restricted physical access. Identify the wrong entity, serve the wrong registered agent address, or miss a post-rebrand Secretary of State update — and your service is void before the opposing counsel files a responsive pleading. Undisputed Legal has executed process service on AmerisourceBergen and Cencora entities in every major jurisdiction. We verify current registered agent filings before every attempt, deliver GPS-verified service, and produce notarized affidavits that hold up in every federal and state court in the country.

Call (800) 774-6922 now or place your order online to begin service on AmerisourceBergen Corporation today.

How to Serve Legal Papers on AmerisourceBergen Corporation

To serve legal papers on AmerisourceBergen Corporation — now Cencora, Inc. — deliver process to CT Corporation System, the company’s registered agent, at their office in the state where your case is filed. AmerisourceBergen is incorporated in Delaware and registered to conduct business in all 50 states. Service must comply with FRCP 4(h) and applicable state service statutes.

1. Confirm the correct defendant entity — AmerisourceBergen Corporation (now Cencora, Inc.), AmerisourceBergen Drug Corporation, or a named operating subsidiary
2. Verify current registered agent filing — CT Corporation System in the state of filing; pull directly from SOS database on the day of service, not from a cached directory
3. Prepare compliant process documents — summons and complaint captioned with the exact current legal entity name as registered with SOS
4. Execute personal service on CT Corporation System at their verified state-specific office address during business hours
5. Obtain GPS-verified affidavit of service and file with the court within the required timeframe for your jurisdiction

AmerisourceBergen or Cencora? The Rebrand Issue That Voids Service

In August 2023, AmerisourceBergen Corporation completed a full corporate rebrand to Cencora, Inc. — executed at the Delaware level through amended articles of incorporation under 8 Del. C. § 242. The legal entity is identical: same Delaware charter, same EIN (23-3079390), same Delaware File Number (1-16671), same registered agent. What changed is the name on Secretary of State filings across all 50 states where the company is registered to do business.

The problem for litigants: dozens of AmerisourceBergen subsidiary entities have not been renamed. AmerisourceBergen Drug Corporation, AmerisourceBergen Services Corporation, and AmerisourceBergen Health Services, LLC continue to file annual reports and maintain registered agent designations under their original names. If your complaint names “AmerisourceBergen Corporation” as the defendant without a successor designation, you are naming an entity that no longer exists under that name in Delaware — and a well-resourced defense team will file a motion under FRCP 12(b)(5) for insufficiency of process before the merits are reached.

The correct approach depends on when the conduct occurred and which entity is responsible:

• Post-August 2023 claims: Caption the defendant as “Cencora, Inc.” and verify current Delaware registered agent standing before service
• Pre-2023 claims: Caption as “AmerisourceBergen Corporation, now known as Cencora, Inc.” to establish successor entity in the pleading itself
• Subsidiary-specific claims: Name the subsidiary directly — AmerisourceBergen Drug Corporation maintains its own separate registered agent filings independent of the parent company
• Opioid litigation and MDL matters: AmerisourceBergen Drug Corporation remains the primary defendant entity in DEA-related distribution cases; the parent rebrand does not extinguish that entity’s liability exposure

Failure consequence: Serving “AmerisourceBergen Corporation” at a registered agent address that now lists “Cencora, Inc.” — without establishing successor status in your complaint — hands the defense a colorable FRCP 12(b)(5) argument at no cost to them. Third Circuit courts have granted motions to dismiss based on service to a registered agent for a predecessor entity name where the successor was not properly joined in the pleading. Undisputed Legal flags entity name discrepancies before delivery, not after the 120-day service window expires.

A California SOS search for “AmerisourceBergen Corporation” may return pre-rebrand results while “Cencora, Inc.” shows the current filing. Both searches are necessary — the service date determines which name must appear in the caption.

Identifying Your Defendant: Parent, Subsidiary, or International Entity

Before a single document is drafted, the threshold question is: which entity are you actually suing? The Cencora corporate family presents three distinct service tracks, each with different registered agents, different statutes, and different procedural consequences for getting it wrong.

Track 1 — Parent Company (Cencora, Inc.)

For claims against the parent holding company — corporate governance, securities, enterprise-level conduct — the defendant is Cencora, Inc. (Delaware, EIN 23-3079390, File No. 1-16671). Registered agent: The Corporation Trust Company at 1209 Orange Street, Wilmington, DE 19801 in Delaware; CT Corporation System at the applicable state office elsewhere. Complaints captioned “AmerisourceBergen Corporation” without successor designation are vulnerable under FRCP 12(b)(5).

Track 2 — Operating Subsidiaries

For claims arising from specific distribution, sourcing, or specialty operations, the correct defendant is the operating subsidiary — not the parent. Key entities and their focus areas:

• AmerisourceBergen Services Corporation — administrative and shared services; Delaware-incorporated
• AmerisourceBergen Sourcing, LLC — procurement and sourcing operations; Delaware-formed
• ASD Specialty Healthcare, LLC — oncology, plasma, and specialty pharmaceutical distribution; California-incorporated
• Amerisource Receivables Financial Corporation — receivables financing; Delaware-incorporated

Each subsidiary maintains its own registered agent filings — which are not automatically the same as the parent’s. Verify the specific entity at the SOS of the filing state before dispatch.

Track 3 — International Entities (Hague Convention)

For claims involving international operations — clinical trial logistics, global procurement, international specialty distribution — the defendant may be incorporated outside the United States. Hague Convention service applies. See the international service section below for Article 5 and Article 10(a) pathways for Luxembourg, UK, and Ireland entities.

Why AmerisourceBergen Corporation Is Particularly Difficult to Serve

AmerisourceBergen/Cencora layers service complications specific to its DEA regulatory environment, opioid litigation history, and post-rebrand entity structure that a generic corporate service approach will not survive.

DEA-Licensed Facility Restrictions

Cencora operates pharmaceutical distribution centers that are DEA-registered premises under 21 CFR Part 1301. These facilities handle Schedule II controlled substances and are required by federal regulation to maintain security controls, access restrictions, and personnel screening that prohibit unannounced visitors. This is not discretionary policy — it is mandated DEA compliance infrastructure. Walk into a distribution center to serve papers and security will document the visit, deny access to any authorized corporate officer, and the attempt will generate zero valid service. A separate but related track exists under 21 CFR Part 1316, which governs DEA administrative proceedings — enforcement actions, license revocations, and order-to-show-cause proceedings that run on a parallel track to civil litigation. Service in DEA administrative proceedings follows Part 1316’s own procedures and does not substitute for civil process service, even where both actions concern the same conduct.

The error is common and entirely avoidable. Process servers who attempt distribution center service are acting on the assumption that physical presence at a company location equals authority to accept process — that assumption does not apply to DEA-registered premises. CT Corporation System is the only compliant service point for AmerisourceBergen entities. Any other location requires a specific court order for alternative service under FRCP 4(f) or the applicable state rule.

The Post-Opioid Legal Infrastructure

AmerisourceBergen was a principal defendant in In re National Prescription Opiate Litigation, MDL No. 2804 (N.D. Ohio), resolving for approximately $6.1 billion over 18 years alongside McKesson and Cardinal Health. That litigation produced one outcome relevant here: a legal department that treats every service defect as a legitimate procedural opportunity.

Cencora’s outside counsel will scrutinize every affidavit of service for timestamp inconsistencies, unauthorized service locations, incorrect entity captions, and missing GPS verification. An affidavit that would pass review in a routine corporate matter may not survive a challenge from this defendant. Deadline pressure: In pharmaceutical mass tort cases, discovery deadlines and scheduling order windows are typically locked within 90 days of the first responsive pleading — which means defective service compresses the entire litigation calendar, not just the initial service event.

Subsidiary-Specific Service: Each Entity Stands Alone

Failure scenario: Serving AmerisourceBergen Health Services, LLC at CT Corporation’s standard state address when that specific subsidiary’s SOS filing lists a different service address creates defective service even if the papers were physically received. Courts have held that service on the wrong agent for a specific subsidiary — even when both are affiliated with the same corporate family — does not constitute valid service on the named defendant. Each entity requires independent SOS verification before dispatch. Undisputed Legal cross-references the specific entity name against current records every time.

CT Corporation Intake Protocols

CT Corporation System processes service for thousands of corporate clients and enforces strict intake requirements. They accept service during business hours only, log the receipt with a precise timestamp, and route papers to the corporate client’s legal department. Arriving outside business hours, leaving documents with an unauthorized lobby employee, or delivering improperly captioned process will result in rejection — and that rejection is legally supported. Courts have held that registered agents acting under CT Corporation’s procedures are entitled to enforce those procedures, and a rejection for caption deficiency does not constitute service.

Deadline pressure: A rejected service attempt followed by re-captioning and re-service eliminates scheduling buffer that cannot be recovered. The time to verify entity names is before the complaint is filed, not after the first rejection.

Undisputed Legal’s Process for Serving AmerisourceBergen Corporation

Every AmerisourceBergen assignment runs through the same verification-first protocol. Undisputed Legal has executed complex corporate process service on pharmaceutical distributors and Fortune 10 defendants across all 50 states.

1. Entity name confirmation: Current SOS records checked against the complaint caption — discrepancies flagged before dispatch
2. Registered agent verification: Live SOS pull for the specific named entity — not a cached directory, the current filing as of service date
3. Compliant personal delivery: Delivered to CT Corporation System’s authorized agent representative at the verified address during business hours
4. GPS-verified documentation: Coordinates, timestamp, and agent identity recorded at the moment of delivery
5. Notarized affidavit of service: Sworn affidavit with GPS-verified coordinates — admissible in every federal and state jurisdiction

If the first attempt fails — office closed, caption deficiency, address discrepancy — you receive the specific failure detail and corrective action required within hours. On time-sensitive matters, call (212) 203-8001 before dispatch for expedited entity verification.

GPS-verified service documentation from Undisputed Legal is accepted in every federal and state jurisdiction. We have served business entities across all 50 states and 120+ countries. For NYC five-borough service, our DCWP-licensed servers maintain current credentialing in Manhattan, Brooklyn, Queens, the Bronx, and Staten Island.

Where to Serve Legal Papers on AmerisourceBergen Corporation

As of 2025, Cencora, Inc. SOS filings list CT Corporation System at state-specific addresses in all 50 states. The table below reflects current key offices — always verify the specific entity’s SOS filing directly before service, as subsidiary addresses may differ from the parent.

State	Entity (Verify Current SOS Filing)	Registered Agent	Service Address
Delaware (State of Incorporation)	Cencora, Inc. f/k/a AmerisourceBergen Corporation	CT Corporation System	1209 Orange Street, Wilmington, DE 19801
Pennsylvania (Principal HQ)	Cencora, Inc. / AmerisourceBergen Drug Corporation	CT Corporation System	600 N. 2nd Street, Suite 401, Harrisburg, PA 17101
California	AmerisourceBergen Services Corporation / Cencora, Inc.	CT Corporation System	330 N Brand Blvd., Suite 700, Glendale, CA 91203
California (Specialty Distribution)	ASD Specialty Healthcare, LLC (oncology/plasma/specialty) — verify current CA SOS filing	CT Corporation System	330 N Brand Blvd., Suite 700, Glendale, CA 91203 (verify)
New York	Cencora, Inc. / Applicable Subsidiary	CT Corporation System	28 Liberty Street, New York, NY 10005
Texas	Cencora, Inc. / Applicable Subsidiary	CT Corporation System	1999 Bryan St., Suite 900, Dallas, TX 75201
Illinois	Cencora, Inc. / Applicable Subsidiary	CT Corporation System	208 S. LaSalle St., Suite 814, Chicago, IL 60604
Florida	Cencora, Inc. / Applicable Subsidiary	CT Corporation System	1200 S. Pine Island Road, Plantation, FL 33324
Ohio	Cencora, Inc. / Applicable Subsidiary	CT Corporation System	4400 Easton Commons Way, Suite 125, Columbus, OH 43219
New Jersey	Amerisource Group LLC / Cencora, Inc.	CT Corporation System	820 Bear Tavern Road, Suite 200, West Trenton, NJ 08628
Georgia	Cencora, Inc. / Applicable Subsidiary	CT Corporation System	289 S. Culver St., Lawrenceville, GA 30046

For guidance on serving legal papers at CT Corporation across different states — including address verification, intake protocols, and subsidiary-specific SOS cross-referencing — Undisputed Legal’s verification workflow covers every CT Corporation office in our network.

Do not rely on this table alone for service. CT Corporation periodically relocates state offices, and subsidiary-level filings may list different addresses than the parent company. Undisputed Legal verifies the current registered agent address on every assignment — we do not serve from cached data.

International Subsidiaries: Hague Convention Service

Several Cencora entities are incorporated outside the United States. Service on these defendants in a U.S. proceeding requires Hague Convention compliance — domestic CT Corporation service does not reach them. International entities in the Cencora corporate family include AmerisourceBergen Luxembourg S.à.r.L., World Courier Group S.à r.l. (Luxembourg — clinical trial pharmaceutical logistics), AH UK Holdco 1 Limited (England and Wales), BPLH Ireland Unlimited Company, and Cencora Global Procurement Limited (Ireland).

Two primary Hague pathways apply. Article 5 (Central Authority): service routed through the destination country’s designated Central Authority — formal, slower, typically 2–4 months; available in Luxembourg, UK, and Ireland. Article 10(a) (direct mail): permitted where the destination state has not objected; Ireland and Luxembourg generally permit direct mail service; the UK’s post-Brexit position requires current-status verification. Undisputed Legal coordinates Hague service through our international network across 120+ countries, including translation, local formalities, and authenticated affidavit documentation for U.S. court filing.

Compliance and Legal Framework for Serving AmerisourceBergen Corporation

Service on AmerisourceBergen Corporation and its subsidiaries must comply with the federal and state rules governing service on corporate defendants. The applicable framework varies by court, but the foundational statutes are consistent and Cencora’s defense team knows every one of them.

Federal Service: FRCP 4(h)

Under Federal Rule of Civil Procedure 4(h)(1)(B), a corporation may be served by delivering the summons and complaint to an officer, managing agent, general agent, or registered agent. For AmerisourceBergen entities in federal court, personal delivery to CT Corporation System at the office in the district state constitutes valid service. Service must be completed within 90 days of filing the complaint under FRCP 4(m) — failure subjects the action to dismissal without prejudice upon motion or court initiative.

Deadline pressure: The 90-day FRCP 4(m) window disappears fast in complex pharmaceutical litigation — entity verification, insurance notices, and co-defendant coordination consume the first 30–40 days. Begin SOS verification before the complaint is filed, not after the clock is already running.

Delaware: 8 Del. C. § 132

Delaware law under 8 Del. C. § 132 requires every Delaware corporation to continuously maintain a registered agent in the state. Cencora, Inc. (formerly AmerisourceBergen Corporation) satisfies this requirement through CT Corporation System at 1209 Orange Street, Wilmington, DE 19801. Service on the registered agent in Delaware constitutes personal service on the corporation for all purposes under Delaware law — including enforcement of judgments and garnishment proceedings.

The August 2023 amendment under 8 Del. C. § 242 carried the registered agent designation over to the new entity name. Any service captioning “AmerisourceBergen Corporation” after August 2023 without a successor designation creates a mismatch discoverable in the first 15 minutes of defense due diligence.

Pennsylvania: Pa. R. Civ. P. 424 and Rule 2180

For state court actions filed in Pennsylvania, Pennsylvania Rule of Civil Procedure 424 governs service on a corporation. Service is made by handing a copy to an officer, director, trust officer, managing agent, or registered agent, or by leaving a copy at the registered office or principal place of business of the corporation. For AmerisourceBergen entities, the registered agent (CT Corporation System, Harrisburg, PA) is the reliable path. Service at the principal office at 1 West First Avenue, Conshohocken, PA 19428 is not reliable — campus security at AmerisourceBergen’s corporate headquarters is not an authorized agent under Rule 424 and will document the visit without creating valid service. Where personal jurisdiction over an out-of-state Cencora entity depends on Pennsylvania long-arm authority, Pa. R. Civ. P. 2180 governs service of original process on that out-of-state defendant — requiring service in the manner prescribed by the law of the state where the defendant is incorporated or by any method that gives the defendant reasonable notice, which in practice means CT Corporation System at the Delaware or applicable state address.

Failure scenario: Attempting service at the Conshohocken headquarters without reaching a specifically named officer or the registered agent produces a documented presence at the corporate campus but no valid service event. Defense counsel will challenge the affidavit as deficient under Rule 424 and move to dismiss for lack of proper service. The motion will succeed — and the service window may have expired in the interim.

California: CCP § 416.10

California Code of Civil Procedure § 416.10 requires personal delivery to an authorized officer or agent. For AmerisourceBergen entities in California, delivery to CT Corporation System in Glendale satisfies this requirement. Leaving documents with lobby security does not constitute service under CCP § 416.10 — California courts have been consistent on this point. For multi-entity service on Cencora, AmerisourceBergen Services Corporation, and ASD Specialty Healthcare, LLC in California, Undisputed Legal coordinates all three under a single deployment.

New York: CPLR § 311

Under NY CPLR § 311(a)(1), service on a corporation requires delivery to an authorized officer or agent. CT Corporation System at 28 Liberty Street, New York, NY 10005 is the designated agent for Cencora, Inc. and AmerisourceBergen entities in New York. Service must be personal delivery to the designated CT Corporation intake representative — New York courts have dismissed under CPLR § 3211(a)(8) where service was left with an unauthorized employee. See registered agent requirements for service of process for New York-specific protocols.

Consult with a licensed attorney to determine the appropriate service method and entity designation for your specific jurisdiction, claim type, and filing date before initiating service.

Post-Service Timelines

After valid service, AmerisourceBergen/Cencora entities respond within 21 days in federal court (FRCP 12(a)(1)(A)(i)), or 60 days if service is waived under FRCP 4(d). State windows: 20 days in New York (CPLR § 3012), 30 days in California (CCP § 412.20(a)(3)), 20 days in Pennsylvania (Pa. R. Civ. P. 1026). Deadline pressure: Response windows run only from the date of proper service — defective service does not start the clock, but re-service delays compress discovery and every subsequent scheduling order milestone.

What Professional Service Actually Costs — and What Doing It Wrong Costs More

For a pharmaceutical litigation matter against a Fortune 10 defendant with dedicated litigation infrastructure, a rejected affidavit or missed service deadline does not cost the price of re-service — it costs the case. The cost comparison:

Option	Cost	Risk Profile
Local counsel per state	$500–$2,000+ per state, multiple weeks per engagement	No GPS verification, inconsistent affidavit standards across states, no entity verification protocol
DIY service	Filing fees only	Entity name errors, wrong address, no GPS documentation, motion to quash exposure against a defendant with dedicated litigation infrastructure
Undisputed Legal	Flat rate below — nationwide, GPS-verified, court-compliant	Minimized — entity verified before dispatch, GPS-verified delivery, notarized affidavit on every attempt

Service Level	Price	Timeframe
Routine Service	$100–$150	First attempt within 3–7 business days
Rush Service	$200–$250	First attempt within 24–48 business hours
Same-Day Service	$250–$300	First attempt same business day
Stake-Out Service	$325–$425	1 hour on-site included; additional hours $100–$150/hr
Skip Trace	$75	Location verification for officers or agents where address is uncertain

All service levels include GPS-verified documentation and a notarized affidavit of service. Nationwide coverage through Undisputed Legal’s standardized workflow — the same verification protocol and affidavit standard whether you are serving in Delaware or California. No hidden fees. No per-mileage add-ons. Coordinated multi-entity service across AmerisourceBergen subsidiaries available on a single order. For a full overview of our corporate service capabilities, see Corporate Process Service: A Complete Guide.

Frequently Asked Questions About Serving AmerisourceBergen Corporation

AmerisourceBergen rebranded to Cencora — which name do I use in my complaint?

For claims arising after August 2023, caption the defendant as “Cencora, Inc.” — the current legal name under Delaware law and the name on active SOS filings in most states. For pre-rebrand claims, caption as “AmerisourceBergen Corporation, now known as Cencora, Inc.” to preserve successor liability and ensure service is not challenged on entity identification grounds. For subsidiary-specific claims — AmerisourceBergen Drug Corporation, AmerisourceBergen Services Corporation — those entities continue to operate under their original names and should be named exactly as they appear in current SOS filings. Misidentifying the entity gives defense counsel a procedural motion before the merits are ever reached.

Can I serve AmerisourceBergen Corporation at their Conshohocken, PA 19428 headquarters?

Service at the Conshohocken campus is not reliable and is routinely refused. AmerisourceBergen’s corporate headquarters has controlled access and a security screening procedure. Even when security accepts documents, that delivery does not constitute personal service on the corporation under Pennsylvania Rule of Civil Procedure 424 unless made on a specifically authorized officer or the registered agent. Service should be directed to CT Corporation System at 600 N. 2nd Street, Suite 401, Harrisburg, PA 17101 — the registered agent for Pennsylvania filings. That delivery is unambiguously valid under Pennsylvania law and produces no exposure to a Rule 424 challenge.

What is the registered agent for AmerisourceBergen Corporation in Delaware?

CT Corporation System at 1209 Orange Street, Wilmington, DE 19801. This has been AmerisourceBergen’s registered agent in Delaware since the company’s formation through the 2001 merger of AmeriSource Health Corporation and Bergen Brunswig Corporation. The August 2023 rebrand to Cencora, Inc. did not change the registered agent designation — the same CT Corporation address carries over to the new entity name. Delaware is the state of incorporation; for federal litigation you will typically serve in the district state using that state’s CT Corporation office, but Delaware service is valid for any matter governed by Delaware corporate law.

Why can’t I serve AmerisourceBergen at one of their distribution centers?

AmerisourceBergen distribution centers are DEA-registered premises under 21 CFR Part 1301. Federal regulations require these facilities to maintain security controls, restricted access, and personnel screening for DEA compliance. These requirements prohibit unannounced visitors — not as a matter of corporate policy, but as a condition of the DEA registration that allows the facility to handle Schedule II controlled substances. Beyond the access barrier, distribution center employees are not authorized agents for service of process on the corporation. Leaving papers with a security officer at a pharmaceutical distribution facility creates no valid service event under any state or federal rule.

What if AmerisourceBergen’s registered agent refuses to accept service?

CT Corporation System does not typically refuse service on behalf of clients — accepting service is their core function. When a refusal occurs, it is almost always based on a specific document deficiency: incorrect entity name in the caption, missing summons page, or service attempted outside of business hours. Undisputed Legal documents any refusal with GPS-verified details: the time of the attempt, the basis for refusal, and the identity of the CT Corporation employee who declined acceptance. In most jurisdictions, a properly documented refusal with papers left at the agent’s address after the refusal constitutes valid service. We handle refusal situations in full compliance with applicable local court rules and notify you immediately with the refusal detail and next-step options.

How long does AmerisourceBergen have to respond after being served?

In federal court, AmerisourceBergen/Cencora must respond within 21 days of service under FRCP 12(a)(1)(A)(i) — or 60 days if they waive service under FRCP 4(d). In state court, the window is 20 days in New York (CPLR § 3012), 30 days in California (CCP § 412.20), and 20 days in Pennsylvania (Pa. R. Civ. P. 1026). Given Cencora’s experienced litigation infrastructure, expect a responsive pleading or a motion to dismiss — not a default. Response windows run from the date of valid service; a defective service event does not start the clock. Filing your proof of service promptly after delivery establishes the record date and triggers the response window.

Can AmerisourceBergen be served in states outside Pennsylvania?

Yes. AmerisourceBergen Corporation — now Cencora, Inc. — is registered to do business in all 50 states and maintains CT Corporation System as registered agent in each of those states. Service in the state where the case is filed is the standard approach for both federal and state court matters. Service in a state where the defendant has no registered agent filing would require long-arm jurisdiction analysis and potentially alternative service under court order — but for a company with Cencora’s nationwide registration footprint, that scenario does not arise in practice. Undisputed Legal serves AmerisourceBergen entities in any U.S. jurisdiction on a single coordinated order.

Is service on CT Corporation enough to bind all AmerisourceBergen subsidiaries?

No. Service on CT Corporation System for “Cencora, Inc.” does not constitute service on AmerisourceBergen Drug Corporation, AmerisourceBergen Services Corporation, ASD Specialty Healthcare, LLC, or any other subsidiary — even though many of those subsidiaries also coincidentally use CT Corporation as their registered agent. Each entity’s registered agent designation is filed independently with the SOS of each state. Service must name the specific defendant entity in the caption and be delivered to the registered agent on file for that specific entity in the state of service. Serving the parent’s registered agent while naming a subsidiary in the complaint — or vice versa — produces defective service that will not bind the intended defendant. When suing multiple AmerisourceBergen entities, each requires a separate, entity-specific service event with a separate affidavit.

What proof of service documentation will I receive?

Undisputed Legal provides a sworn, notarized affidavit of service documenting: the exact legal entity served as named in the process documents, the CT Corporation representative who accepted delivery, the date and time of service, the office address where service was made, and GPS-verified coordinates confirming our server’s physical presence at the registered agent location at the moment of delivery. This affidavit satisfies proof of service requirements in every federal district court and state court in the United States. It is prepared by our process server, notarized, and delivered to you electronically for immediate court filing — typically within 24 hours of the service event.

Ready to Serve AmerisourceBergen Corporation? Order Now

AmerisourceBergen Corporation — now Cencora, Inc. — is a Fortune 10 defendant with opioid settlement history, DEA-regulated facilities, and post-rebrand entity complexity that creates service traps attorneys encounter only once before calling us. Entity verified. Registered agent confirmed. GPS-verified process delivered to CT Corporation during business hours. Notarized affidavit in your inbox within 24 hours.

Undisputed Legal Inc. is headquartered at One World Trade Center, 85th Floor, New York, NY 10007. Place your order online or call (800) 774-6922 now. Service on AmerisourceBergen Corporation begins as soon as your order is submitted.

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Undisputed Legal Inc. maintains active membership and affiliations with the following professional organizations: National Association of Professional Process Servers (NAPPS), United States Process Servers Association (USPSA), National Association of Legal Support Professionals (NAOSP), Better Business Bureau (BBB) A+ Rating, New York State Unified Court System, DCWP Licensed Process Server (NYC), International Association of Professional Process Servers, National Notary Association, American Bar Association (ABA) – Allied Member, New York County Lawyers Association, Brooklyn Bar Association, Queens County Bar Association, Bronx County Bar Association, Staten Island Bar Association, Westchester County Bar Association, and Nassau County Bar Association.

Corporate Process Service Resources

Undisputed Legal is the authority in corporate process service. Explore our expertise:

• Complex Corporate Process Service — Advanced Legal Strategies
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• Corporate Process Service for Business Entities
• Registered Agents & Process Service — What Businesses Must Know
• Serving Legal Papers at CT Corporation — Step-by-Step Guide
• How to Serve Legal Papers at CT Corporation
• Understanding Registered Agents for Service of Process
• The Model Registered Agents Act and Service of Process
• National Conference of Commissioners on Uniform State Laws
• Corporate Process Service: Registered Agent Requirements
• Corporate Process Service: A Complete Guide
• Corporate Process Service Laws: Requirements & Compliance
• Complex Corporate Process Service Solutions
• Corporate Process Service: E-Service Requirements & Solutions
• Why Serve Legal Papers Through the New York Secretary of State
• How to Serve Legal Papers on the Delaware Secretary of State
• How to Serve Legal Papers on the New Jersey Secretary of State
• Process Service Rules & Laws: Serving Secretary of State
• New York State Process Server Regulations, Compliance & Liability

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