Emily R. Anderson and Jason Anderson v. Wyeth LLC, a Limited Liability Company, Pfizer Inc., a Corporation, and Does 1 through 100, inclusive

CourtDistrict Court, S.D. New York
DecidedOctober 22, 2025
Docket1:25-cv-02217
StatusUnknown

This text of Emily R. Anderson and Jason Anderson v. Wyeth LLC, a Limited Liability Company, Pfizer Inc., a Corporation, and Does 1 through 100, inclusive (Emily R. Anderson and Jason Anderson v. Wyeth LLC, a Limited Liability Company, Pfizer Inc., a Corporation, and Does 1 through 100, inclusive) is published on Counsel Stack Legal Research, covering District Court, S.D. New York primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Emily R. Anderson and Jason Anderson v. Wyeth LLC, a Limited Liability Company, Pfizer Inc., a Corporation, and Does 1 through 100, inclusive, (S.D.N.Y. 2025).

Opinion

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EMILY R. ANDERSON, an individual, and — mean JASON ANDERSON, an individual, Plaintiffs, -against- 25-cv-2217 (CM) WYETH LLC, a Limited Liability Company. PFIZER INC., a Corporation, and DOES 1 through 100, inclusive, Defendants. DECISION AND ORDER GRANTING DEFENDANTS’ MOTION TO DISMISS McMahon, J.: Plaintiff Emily Anderson took diet drugs in 1996 — when, by my calculation, she was a teenager.' Specifically, her physician, Dr. Ian J. Wilson, prescribed for her the combination of Fenfluramine (or Dexfenfluramine) and Phenteremine — commonly known as “Fen-Phen” — which she took for approximately six months. Emily lived in Westerville, Ohio, a suburb of Columbus, while using Fen-Phen. She was both prescribed and ingested the drugs in Ohio. Fenfluramine (Pondimum) and Dexfenfluramine (Redux) — the “Fen” half of Fen-Phen —

were withdrawn from the market in 1997 by their manufacturer, American Home Products Corp. The complaint alleges that the drugs were withdrawn due to concerns about the combination of Fenfluramine or Dexfenfluramine with Phentermine, which caused primary pulmonary hypertension, a rare and serious ling disease (Complaint { 9). Defendants dispute this, asserting instead that the withdrawal was due to reports linking Fenfluramine and Dexfenfluramine to

' The complaint, filed in 2025, pleads that Anderson is presently 46 years old (Complaint J 4). That would make her 18 years old in 1996,

valvular heart disease (see Complaint § 138; Dkt. #29 at n.1). As defendants acknowledge, however, the reason for the withdrawal is not germane to the present motion. A multi-district litigation involving thousands of individuals who had been prescribed Fen- Phen prior fo ifs withdrawal from the market was settled in the year 2000. Brown v, Am. Home Prods. Corp. Un re Diet Drugs (Phentermine, Fenfluramine, Dexfenfluramine) Prods, Liab. Litig.), No. 99-20593, 2000 U.S. Dist. LEXIS 12275, at *48 (E.D. Pa. Aug. 28, 2000) (“Fen-Phen MDE Settlement”). Pursuant to that settlement, five discrete subclasses of individuals who took Pondimin and Redux and their associated consortium claimants were entitled to varying levels of medical monitoring, medical screening, and matrix compensation benefits. Jd, at 55-65. Today, almost 30 years later, Mrs. Anderson -- who has contracted Primary Pulmonary Hypertension — sues Wyeth LLC (formerly American Home Products) and Pfizer Inc., the

company that acquired Wyeth in 2009, secking damages for the medical condition allegedly caused by her use of this dangerous pharmaceutical combination, Wyeth LLC and Pfizer have moved to dismiss the complaint on multiple technical grounds, all of which have merit. The court grants the motion with leave to replead as noted. The Complaint The complaint in this action pleads seven causes of action, all of which arise under state

common law principles: (1) strict liability — failure to warn; (2) negligence, (3) breach of implied warranty; (4) breach of express warranty; (5) negligent misrepresentation; (6) fraud/frauduient concealment; and (7) loss of consortium (the plaintiff on that claim being Emily’s husband, Jason Anderson).

There is complete diversity. Plaintiffs are citizens of Idaho. Defendant Pfizer Inc. is incorporated in Delaware with its principal place of business in New York. The citizenship of defendant Wyeth LLC is not properly pleaded in the complaint. An LLC is a citizen of every state in which any of its members is a citizen. However, in accordance with this court’s rules, Defendants have filed a Rule 7.1 Statement of Corporate Ownership, which reveals that the sole member of Wyeth LLC is Pfizer, Inc. Dkt. #30. Therefore, Wyeth LLC is also a citizen of Delaware and New York. And since its headquarters are presently located in Madison, New Jersey, it is a citizen of New Jersey as well.” Choice of Law A federal court sitting in diversity applies the substantive law of the forum state (in this case, New York) — including its choice of law principles. Klaxon Co. v. Stentor Elec. Mfg. Co., 313 U.S. 487, 496-497 (1941). When conducting a choice of law analysis, the first step is to determine whether there is an actual conflict of laws issue to resolve. Curley v. AMR Corp., 153 F. 3d 5, 12 (2d Cir. 1998). There is an actual conflict if “the applicable law from each jurisdiction provides different substantive rules and those differences are relevant to the issue at hand! ] and... have a significant possible effect on the outcome of the trial.” First Hill Partners, LLC vy. BlueCrest Cap, Mgmt. Ltd., 52 F. Supp. 3d 625, 632 (S.D.N.Y. 2014) (citation omitted); Fin, One Pub. Co. v. Lehman Bros. Special Fin, Inc., 414 F. 3d 325, 331-32 (2d Cir. 2025). Hf there is an actual conflict of laws, then the court must determine which state has the greatest interest in having its laws applied. See GlobalNet Financial.Com, Inc. v. Frank Crystal & Co., 449 F.3d 377, 384-85 (2d Cir. 2006).

? The location of Wyeth’s headquarters in 1996 is not relevant for purposes of ascertaining diversity of citizenship as of the date the complaint in this action was filed. However, it appears that American Home Products has relocated its headquarters from New York to New Jersey by 1996.

There is an actual conflict among the laws of the four states that could possibly govern here

Ohio (where the tortious acts occurred), Idaho (where the plaintiffs currently reside), New York (where both corporate defendants are citizens and where this lawsuit was brought) and New Jersey (where Wyeth LLC’s principal place of business is currently located). The Ohio Legislature passed a statute, The Ohio Products Liability Act, Ohio Rev. Code §2307.71(B), which governs liability under Ohio law in all products liability cases — of which this lawsuit is indisputably one. Pursuant to the OLPA all common law product liability claims are abrogated; product Hability is limited to specifically defined causes of action under the statute, which is the exclusive source for relief in a products liability case governed by Ohio law. There are four such causes of action: manufacturing defect, design defect, inadequate warning, noncompliance with manufacturers’ representations. New Jersey also has a products liability statute, N.J. Stat. SS 2A:58C-1 et. seg. Unlike the Ohio statute, it subsumes all common law claims into one statutory cause of action. See Repola v. Morbark Indus., Inc., 934 F.2d 483, 492 (3d Cir, 1991). New York and Idaho do not have similar statutory products liability schemes. Both states allow plaintiffs to assert common law product liability claims. Since there is an actual conflict among the laws of the states concerned, and since the plaintiffs’ claims sound in tort, “a New York court generally will select the law of the state in which the tort was committed as the applicable law.” Barnett v. Johnson, 839 F. Supp. 236, 242 (S.D.N-Y. 1993). In cases involving allegedly defective prescription medications, New York courts routinely apply the law of the place “where the drug was ingested.” In re Rezulin Prods. Liab. Litig. 210 E.R.D. 61, 70 n. 57 (S.D.N.Y. 2002) (collecting cases); Summers v. Abbott Labs, 2013 WL 125730, at *3 (E.D.N.Y. Jan. 9, 2013). It is undisputed that Plaintiff Emily Anderson lived in Ohio when

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Related

Klaxon Co. v. Stentor Electric Manufacturing Co.
313 U.S. 487 (Supreme Court, 1941)
Barnett v. Johnson
839 F. Supp. 236 (S.D. New York, 1993)
In Re September 11th Litigation
494 F. Supp. 2d 232 (S.D. New York, 2007)
Luthman v. Minster Supply Company, 2-06-43 (1-22-2008)
2008 Ohio 165 (Ohio Court of Appeals, 2008)
Monroe v. Novartis Pharmaceuticals Corp.
29 F. Supp. 3d 1115 (S.D. Ohio, 2014)
Repola v. Morbark Industries, Inc.
934 F.2d 483 (Third Circuit, 1991)

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Emily R. Anderson and Jason Anderson v. Wyeth LLC, a Limited Liability Company, Pfizer Inc., a Corporation, and Does 1 through 100, inclusive, Counsel Stack Legal Research, https://law.counselstack.com/opinion/emily-r-anderson-and-jason-anderson-v-wyeth-llc-a-limited-liability-nysd-2025.