Legal Opinion
Ring & Pinion Service Inc. v. Arb Corporation Ltd
Court of Appeals for the Federal Circuit
Decided February 19, 2014No. 2013-1238PublishedCited by 15 opinions
1Opinion of the Court
MOORE, Circuit Judge.
Defendant ARB Corporation Ltd. (ARB) appeals from the district court’s grant of summary judgment of noninfringement of U.S. Patent No. 5,591,098 (the '098 patent) to Ring & Pinion Service, Inc. (R & P). Because the district court erred by improperly applying the doctrine of claim vitiation, we reverse and remand with instructions to enter judgment of infringement for ARB.
BACKGROUND
The invention claimed in the '098 patent is an improved automobile locking differential. '098 patent col. 11. 63-col. 2 1. 2. A differential is a mechanism that allows wheels to rotate at…
2Cases cited17 opinions
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
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- Sage Products, Inc. v. Devon Industries, Inc., Defendant/cross-AppellantCourt of Appeals for the Federal Circuit · 1997
- American Title Insurance Company v. Lacelaw CorporationCourt of Appeals for the Ninth Circuit · 1988
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