Legal Opinion
Poly-America, L.P. v. Api Industries, Inc.
Court of Appeals for the Federal Circuit
Decided October 14, 2016No. 2016-1200PublishedCited by 64 opinions
1Opinion of the Court
REYNA Circuit Judge.
This case is about disavowal of claim scope. The specification and prosecution history of Poly-America, L.P.’s (“Poly-America”) U.S. Patent No. 8,702,308 (“ ’308 patent”) contain clear and unequivocal statements that the inventor intended to limit the claimed invention to a trash bag with “short seals” at its upper comers that extend inwardly to narrow the bag’s upper opening. In light of the inventor’s disavowal, the district court correctly construed the term “short seal” to require that such seals extend inwardly. We therefore affirm.
1. Background
A. Patented Technology
Th…
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