Means-Plus-Function Claiming Requires Both “means” and “function”

June 26, 2017

A proper invocation of §112 ¶ 6 means-plus-function claiming requires that the claim recite the functionality of the purported “means,” and not just structure, the Federal Circuit decided in Skky. 1 Despite the presumption triggered by the word “means” in the claim term “wireless device means” and the Examiner’s understanding of the claim term as invoking §112… Read more »

Author: Richard Hanna

Federal Circuit Uses Patent Application’s Own Words to Find Method of Treating Cancer Obvious to Try

June 05, 2017

Before KSR, 1 it was thought that obviousness under 35 USC § 103 could not be demonstrated by showing that a particular combination was obvious to try. The Supreme Court clarified that “when there is a . . . problem and there are a finite number of identified, predictable solutions,” and if pursuing the known options leads… Read more »

“Consisting of” Markush Claim Excludes Components Unrelated to the Invention

February 21, 2017

The Federal Circuit reversed a district court’s finding that Watson infringed Shire’s patent directed to a controlled-release oral pharmaceutical composition containing mesalamine, used to treat inflammatory bowel diseases.1 Shire’s claims recited that the pharmaceutical composition contained an inner lipophilic matrix and an outer hydrophilic matrix. The opinion focused on the claim’s recitation regarding the outer… Read more »

Parent Patent Invalidated by Later Filed and Later Issued Continuation Application Under Obviousness Type Double Patenting

February 08, 2016

Another layer of complexity has been added to patent prosecution under the District Court of Michigan’s expanded interpretation of the obviousness type double patenting (“ODP”) doctrine.1 The district court held that a continuation application can, in certain circumstances, invalidate its earlier filed and earlier issued parent under ODP. If upheld, patent prosecutors must carefully consider the… Read more »

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