Lewis Roca Blog

By Kyle Kellar and Christopher Underwood Last week, the Federal Circuit, in Forum US v. Flow Valve[i], affirmed the lower court’s ruling invalidating a reissue patent because the broadened claims added in the reissue failed to satisfy the original patent requirement under 35 U.S.C. § 251. As a brief refresher, the original patent requirement requires that …

Continue reading "The Federal Circuit Clampsdown on Broadening Reissues – Or Does It?"

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When one party is found to have infringed the patent rights of another, the often-difficult task of calculating economic damages begins. As one step in this process, the time period during which damages have accrued must be determined. When damages begin to accrue is considered primarily in light of when the infringing party was made …