Expert Agency Shown Deference in Matters of Claim Scope

While IPR petitioners may only challenge patent claims based upon patents and printed publications (§§ 102 and 103), the PTAB trial record can be leveraged in parallel district court proceedings on related issues.  For example, PTAB fact findings on claim construction have been adopted by district courts on motions for summary judgment. And recently, a plaintiff in the District of Utah leveraged a PTAB finding to obtain a favorable outcome regarding indefiniteness on summary judgment.
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