Tag: broadest reasonable construction
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Complex Claim Construction Issues in Knowles Electronics v. Cirrus Logic
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A recent Federal Circuit case demonstrates the complexity of resolving difficult claim construction issues in multiple agency and court proceedings. In Knowles Electronics v. Cirrus Logic the Federal Circuit declined to apply its own prior claim interpretation of the same term of the same claims of the same patent. U.S. Patent No. 6,781,231 (“the ’231 patent”) entitled “Microelectromechanical System…
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Federal Circuit Interprets Board’s Broadest Reasonable Interpretation Standard – Part II
In Microsoft Corp. v. ProxyConn, Inc. v. Michelle K. Lee, Intervenor (Fed. Cir. cases 2014-1542 and -1543), the Federal Circuit reversed claim constructions made by the Board in the underlying IPRs. One of the claim constructions that was reversed related to the interpretation of components of a packet-switched network. In particular, the claims recite a…
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Federal Circuit Interprets Board’s Broadest Reasonable Interpretation Standard – Part I
We know from the Federal Circuit’s decision in In re Cuozzo Speed Technologies, that the broadest reasonable interpretation (BRI) standard applies in IPRs, but in a recent appeal decision, the Federal Circuit has announced limits to the application of BRI. Microsoft had filed two separate IPR petitions challenging certain claims of U.S. Patent No. 6,757,717, which were later…