Tagged as: Litigation

Janssen and Amgen Settle STELARA (Ustekinumab) BPCIA Litigation

We previously reported on Janssen’s complaint alleging that Amgen’s filing of an aBLA for ustekinumab, a biosimilar of STELARA, infringes Janssen patents, and about Janssen seeking a preliminary injunction to block Amgen from the commercial manufacturing, sale, and offer for sale of its ustekinumab product.  Briefing for the PI motion was…

Read More

Bristol-Myers Squibb Files Patent Infringement Complaint Against AstraZeneca Regarding Anti-PD-L1 Antibody Product

On April 25, 2023, Bristol-Myers Squibb (“BMS”) filed a complaint in the District of Delaware against AstraZeneca related to AstraZeneca’s anti-PD-L1 antibody product, IMFINZI (durvalumab), alleging willful infringement of U.S. Patent No. 9,402,899 (“the ’899 patent”).  BMS alleges that the ’899 patent covers “Nobel Prize winning methods of treating cancer”…

Read More

Regeneron v. Mylan BPCIA Aflibercept Litigation Update: Claim Construction Order and Stipulation to Narrow the Case for June 2023 Trial

As we have previously reported, Regeneron’s BPCIA case against Mylan regarding Mylan’s proposed aflibercept biosimilar is proceeding on an expedited schedule, with a two-week trial scheduled to begin on June 12, 2023. On April 19, the Court issued a claim construction order construing seven terms from the claims of the four…

Read More

Purple Book Updates

FDA’s Purple Book provides a searchable database of licensed biological products and includes the patent information provided to biosimilar applicants during the BPCIA patent dance.  Pursuant to a law enacted in late 2020, a reference product sponsor must provide patent information to FDA for listing in the Purple Book once…

Read More

Regeneron v. Mylan - Update on Aflibercept BPCIA Litigation

As we previously reported, Regeneron’s BPCIA case against Mylan regarding Mylan’s proposed aflibercept biosimilar is proceeding on an expedited schedule, with a two-week trial scheduled to begin on June 12, 2023, less than a year from Regeneron’s filing of its complaint in August 2022.  The Court’s scheduling order, issued in October…

Read More

Janssen Files BPCIA Complaint Against Amgen Regarding Ustekinumab

On November 29, 2022, Janssen filed a BPCIA complaint in the District of Delaware against Amgen related to Amgen’s ustekinumb biosimilar ABP 654 of Janssen’s STELARA. This is Janssen’s first BPCIA case filed with respect to an ustekinumab biosimilar. Janssen alleges that its “scientists and clinicians spent decades developing STELARA…

Read More

Mylan Files IPR on Regeneron Aflibercept Patent

Mylan Pharmaceuticals Inc. recently filed an IPR petition, PTAB-IPR2023-00099, seeking cancellation of claims 1-3 of U.S. Patent No. 10,857,205, assigned to Regeneron Pharmaceuticals, Inc.  According to the petition, the claims “are drawn to monthly dosing [of aflibercept] to treat an angiogenic eye disorder.”  The Petition sets forth three anticipation grounds and…

Read More

Biogen Seeks a Preliminary Injunction in Natalizumab BPCIA Case Against Sandoz

Biogen seeks a preliminary injunction in its BPCIA case against Sandoz related to Sandoz’s proposed biosimilar of TYSABRI (natalizumab).  On October 20, 2022, the Court issued a sealed order on the parties’ joint stipulation and proposed schedule for a preliminary injunction motion.  A redacted version of the parties’ proposed schedule…

Read More

The Seventh Circuit Affirms Dismissal of the HUMIRA Antitrust Litigation

The Seventh Circuit issued this week a long-awaited opinion in the HUMIRA antitrust litigation, UFCW Local 1500 Welfare Fund v. AbbVie Inc., Case No. 20-2402.  The appeal is from the Northern District of Illinois’s dismissal of a proposed class action alleging that AbbVie, Inc. created a “patent thicket” around HUMIRA to block…

Read More