Microsoft, Adobe Win In Encryption Key Patent Row Affirmed

Law360, San Diego (December 4, 2014, 8:13 PM EST) -- The Federal Circuit on Thursday upheld a win for Microsoft Corp. and Adobe Systems Inc. in an suit brought by computer security company TriStrata Inc. over their alleged infringement of two patents relating to encryption keys, affirming a lower court’s claim construction.

TriStrata challenged a district court’s construction of the term “seal” — a code that contains either an encryption key or information to derive a key — arguing the judge should have used the common dictionary definition instead of a more technical one incorporating three...
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