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Patent Validity Patent Litigation Patent-in-Suit

Robins Kaplan LLP

Taiho Pharma Co. v. MSN Labs Private Ltd.

Robins Kaplan LLP on

Lonsurf® (tipiracil) - Case Name: Taiho Pharma Co. v. MSN Labs Private Ltd., No. 19-2342-JLH (D. Del. Jan. 23, 2025) (Hall, J.)  Drug Product and Patent(s)-in-Suit: Lonsurf® (tipiracil); U.S. Patent No. 10,457,666 (“the ’666...more

Mintz - Intellectual Property Viewpoints

Invalidity of Terminal Patents Not Tied to Disclaimed Patent-in-Suit’s Expiration

In an interesting recent case of first impression, Judge Albright in the Western District of Texas denied a motion for judgement on the pleadings filed by Defendants Google and YouTube because the asserted patent was...more

Jones Day

Combatting Lack of Assignor Estoppel in IPRs (Maybe)

Jones Day on

Assignor estoppel is an equitable doctrine that prevents a party who assigns a patent to another from later challenging the validity of the assigned patent. As reported in a prior post, the Federal Circuit recently stated...more

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