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Beware The Cooperative Agreement

Client Alert | less than 1 min read | 04.21.08

In Rick's Mushroom Service, Inc. (Apr. 2, 2008), the Federal Circuit held that a contractor who had a cooperative cost sharing agreement for mushroom waste remediation was out of luck when it followed defective government specifications and had to pay third parties close to $1 million for environmental violations. The Federal Circuit denied Rick's claims for indemnification, holding there was no Contract Disputes Act jurisdiction and that the Spearin doctrine, which provides that the government breaches an implied warranty when it supplies a contractor with defective specifications, was inapplicable because there was no procurement contract and because the doctrine does not extend to third-party claims.

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Client Alert | 3 min read | 05.26.26

pH, Prosecution History Estoppel, and Patent Scope: Three Lessons from the Federal Circuit's Latest Hatch-Waxman Ruling

On May 13, 2026, the U.S. Court of Appeals for the Federal Circuit affirmed a district court judgment of no infringement in Actelion Pharmaceuticals Ltd. v. Mylan Pharmaceuticals Inc., No. 24-1641. The decision offers important guidance for patent holders and generic manufacturers on the role of industry standards in interpreting scientific terminology during claim construction, prosecution history estoppel, and the disclosure-dedication rule....