News & Analysis as of

Pharmaceutical Patents Amgen United States Patent and Trademark Office

Venable LLP

PTAB Director Discretionarily Denies Opdivo® IPRs Based on Settled Expectations of Patent Owner

Venable LLP on

On July 24, 2025, the PTO Acting Director Coke Morgan Stewart discretionarily denied Amgen’s IPR2025-00601 and IPR2025-00602 challenging Bristol-Myers Squibb’s (“BMS”) U.S. Patent Nos. 9,856,320 (“the ’320 patent”) and...more

Lathrop GPM

Broad Biotech Patent Claims-the Saga Continues

Lathrop GPM on

There now is increased interest about the written description and enablement requirements for patent applications claiming antibodies. This may stem from the recent U.S. Supreme Court decision in Amgen v. Sanofi, finding lack...more

McDermott Will & Schulte

PTO Continues to Wave Wands in Assessing Enablement

In light of the 2023 Supreme Court of the United States decision in Amgen Inc. v. Sanofi, the US Patent & Trademark Office (PTO) published guidelines for PTO employees to use, regardless of technology, to ascertain compliance...more

Haug Partners LLP

Baxalta’s Antibody Patent Held Invalid under Amgen’s Enablement Standard by the Federal Circuit

Haug Partners LLP on

In Baxalta, Inc. v. Genentech, Inc., the Court of Appeals for the Federal Circuit upheld a summary judgment finding from the District of Delaware (Judge Timothy B. Dyk) that claims 1-4, 19 and 20 of Baxalta’s patent directed...more

Rothwell, Figg, Ernst & Manbeck, P.C.

Amgen Faces “Uphill Battle” in Defending Antibody Genus Patentability

On December 9, 2020, the Federal Circuit heard oral arguments on the validity of Amgen’s patents (U.S. Patent Nos. 8,829,165 and 8,859,741) on cholesterol-lowering drug Repatha. Specifically, the question came down to whether...more

Herbert Smith Freehills Kramer

Biosimilar Litigation Trends and Lessons Learned in 2019

It has been nearly 10 years since the U.S. Biosimilars Pathway (the Biologics Price Competition and Innovation Act) was enacted. The first biosimilar product in U.S. history was approved and launched in 2015. Ten biosimilars...more

Harris Beach Murtha PLLC

Patent Office Issues New Guidance for Antibody Written Description Requirements

Since 1999, the United States Patent and Trademark Office (“Patent Office”) has permitted the claiming of antibodies by disclosing the targeted antigen. In 2002, the Federal Circuit adopted Patent Office guidelines and...more

Patterson Belknap Webb & Tyler LLP

USPTO Adopts Amgen v. Sanofi, Excises “Newly Characterized Antigen” Test from its Written Description Guidance for Antibody Claims

Last month, the USPTO issued a memorandum to its patent examining corps clarifying its guidance concerning the written description requirement for claims drawn to antibodies. In the memorandum, the USPTO adopts the Federal...more

McDonnell Boehnen Hulbert & Berghoff LLP

MBHB Snippets: A review of developments in Intellectual Property Law - Volume 14, Issue 2 (Spring 2016)

Pre-AIA and Post-AIA Issues Presented by the On-Sale Bar - The “on-sale” bar to patentability refers to a sale or offer for sale of an invention that can invalidate the patent for that invention. The...more

9 Results
 / 
View per page
Page: of 1

"My best business intelligence, in one easy email…"

Your first step to building a free, personalized, morning email brief covering pertinent authors and topics on JD Supra:
*By using the service, you signify your acceptance of JD Supra's Privacy Policy.
- hide
- hide