Legal Opinion
Intellectual Ventures I LLC v. T-Mobile USA, Inc.
Court of Appeals for the Federal Circuit
Decided September 4, 2018No. 2017-2434; 2017-2435PublishedCited by 25 opinions
1Opinion of the Court
Moore, Circuit Judge.
Intellectual Ventures I LLC ("IV") appeals from a grant of summary judgment by the U.S. District Court for the District of Delaware that T-Mobile USA, Inc., T-Mobile US, Inc., Ericsson Inc., Telefonaktiebolaget LM Ericsson, and United States Cellular Corporation (collectively, "T-Mobile") have not infringed U.S. Patent No. 6,640,248 . Because we hold that the district court's grant of summary judgment resulted from an erroneous claim construction, we vacate and remand. We affirm the district court's determination regarding indefiniteness.
BACKGROUND
The '248 patent…
2Cases cited10 opinions
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- Thorner v. Sony Computer Entertainment America LLCCourt of Appeals for the Federal Circuit · 2012
- Teva Pharm. United States, Inc. v. Sandoz, Inc.Supreme Court of the United States · 2015
- Datamize, L.L.C. v. Plumtree Software, Inc.Court of Appeals for the Federal Circuit · 2005
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