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Two Bills Introduced to Target “Patent Thickets” and “Product Hopping”

On March 17, 2025, a bipartisan group of senators introduced two bills intended to decrease the cost of prescription drugs. The sponsors include Chuck Grassley (R-Iowa), John Cornyn (R-Texas), Richard Blumenthal (D-Conn.),...more

Weighty Considerations: Objective Indicia of Non-obviousness

Volvo Penta of the Americas, LLC, v. Brunswick Corp. Before Moore, Lourie, and Cunningham.  Appeal from the Patent Trial and Appeal Board. Summary: The Board must consider the combined weight of multiple objective...more

Collateral Estoppel Is Applicable in IPRs When the Question of Patentability Is the Same

GOOGLE LLC v. HAMMOND DEVELOPMENT INTERNATIONAL, INC. - Before Moore, Chen, and Stoll. Appeal from the Patent Trial and Appeal Board. - Summary: Collateral estoppel applies to IPRs where differences in claims do not...more

An ANDA Specification that Directly Addresses Issues of Infringement Controls the Infringement Inquiry

Summary: An ANDA was held not to infringe asserted claims because the ANDA specifies pH ranges that fall outside of those recited in the asserted claims....more

Sounding Off: Prosecution Disclaimer Requires Unambiguous Intrinsic Evidence

GENUINE ENABLING TECHNOLOGY LLC V. NINTENDO CO., LTD - Before Newman, Reyna, and Stoll. Appeal from the Western District of Washington. Summary: A finding of prosecution disclaimer must be supported by an unambiguous...more

Cancer Drug Patent Not Dead Yet

(Mar. 31, 2022) Last Friday, ImmunoGen won an appeal at the Federal Circuit in ImmunoGen, Inc. v. Hirshfeld. The lawsuit is a civil action to order the granting of U.S. Application No. 14/509,809 (‘809), titled “Anti-FOLR...more

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