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The term “processing system” does not render the claims indefinite
| October 14, 2016
Cox Communications, Inc., et al. v. Sprint Communication Company LP, et. al.
September 23, 2016
Before Prost, Newman, and Bryson. Opinion by Prost. Concurring opinion by Newman
Summary:
The District Court for the District of Delaware granted a summary judgment of invalidity, finding that the claim term “processing system” renders the asserted patents indefinite under 35 U.S.C. 112, ¶ 2. On appeal, the United States Court of Appeals for the Federal Circuit (“the CAFC”) reversed, finding that the term “processing system” does not render the claims indefinite, because the scope of the claims can be understood, and the meaning would not discernably change, even if the word “processing system” were removed from the claims. The CAFC held that reading the claims in light of the specification and the prosecution history, the term “processing system” does not prevent a person of ordinary skill in the art from understanding the scope of the invention with reasonable certainty.
デラウェア州地裁は、クレーム中の「processing system」という用語は不明瞭であるとして、特許法第112条第2段落に基づき、主張特許は無効であるというサマリージャッジメントを下した。控訴審において、連邦巡回控訴裁判所（CAFC）は、クレームより「processing system」という語を削除したとしても、クレーム範囲を理解することができるため、「processing system」という用語はクレームを不明瞭していないとして、地裁の判断を覆した。また、CAFCは、明細書と中間手続の内容をクレームと照らし合わせると、「processing system」という用語が、当業者の発明範囲についての理解を妨げることはないと結論付けた。
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