News & Analysis as of

Dismissals Patent Litigation Federal Rules of Civil Procedure

Patterson Belknap Webb & Tyler LLP

If at First You Don’t Succeed, Do Not Try Again: Judge Oetken Invokes Collateral Estoppel to Dismiss Plaintiff’s Infringement...

On July 9, 2025, Judge J. Paul Oetken (S.D.N.Y) found that collateral estoppel barred plaintiff Linfo IP, LLC from relitigating the validity of its asserted patent and dismissed Linfo’s infringement claims against Aero...more

Patterson Belknap Webb & Tyler LLP

Judge Román Dismisses Infringement Claims Based “Upon Information and Belief” in Surgical Instruments Case

Judge Nelson S. Román (S.D.N.Y.) recently dismissed a patent-infringement complaint for failure to state a claim, emphasizing the requirement that plaintiffs plead factual allegations rather than legal conclusions....more

Patterson Belknap Webb & Tyler LLP

Not a Repeat Offender: Magistrate Judge Bloom Declines to Sanction “Ernest” Pro Se Plaintiff for Re-filing Dismissed Case in a...

On April 4, 2025, Magistrate Judge Lois Bloom (E.D.N.Y.) declined to sanction a pro se plaintiff for failing to conduct an adequate pre-suit investigation of whether his patent was infringed. Plaintiff initially filed a...more

Patterson Belknap Webb & Tyler LLP

You Might Need a Lawyer if… the Judge Says you do: Judge Garnett Orders Case to be Dismissed for Failure to Secure Counsel

On March 11, 2025, District Judge Margaret M. Garnett dismissed SafeCast Limited’s (“SafeCast”) patent infringement lawsuit against Microsoft Corporation (“Microsoft”) because SafeCast failed to secure counsel. SafeCast Ltd....more

Fitch, Even, Tabin & Flannery LLP

IP Alert: Federal Circuit Reaffirms Patent Owners Need Not Prove Infringement at the Pleading Stage

On July 13, in Bot M8 LLC v. Sony Corporation of America, the Federal Circuit reaffirmed the pleading standards for patent owners. A complaint does not need to set forth facts proving infringement; instead it is sufficient if...more

Goodwin

Pfizer Moves to Dismiss Amgen’s Suit Over Proposed Neulasta Biosimilar

Goodwin on

As we previously reported, on February 11, 2020, Amgen sued Pfizer and its affiliate Hospira, alleging that their proposed biosimilar of Amgen’s NEULASTA (pegfilgrastim) would infringe U.S. Patent No. 8,273,707 (“the ’707...more

McDermott Will & Emery

Stick to the Pleading when Deciding Motion to Dismiss

The US Court of Appeals for the Federal Circuit reversed a dismissal of a complaint for failing to state a claim under FRCP 12(b)(6), finding error in the district court’s use of judicial notice to do fact-finding outside the...more

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