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Patent
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Petitioner / Claimant (Plaintiff)
Clearwater Paper Corporation
Respondent / Defendant
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Dispute Summary
Clearwater Paper has filed an IPR petition seeking cancellation of claims 1‑3 and 11 of Graphic Packaging’s biodegradable cup patent, asserting anticipation by Cleveland and obviousness over Nakagawa and Tanner. The petition argues the prior art was not considered during prosecution and requests institution of the trial.
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