Legal Opinion
AT&T Corp. v. Excel Communications, Inc., Excel Communications Marketing, Inc., and Excel Telecommunications, Inc.
Court of Appeals for the Federal Circuit
Decided April 14, 1999No. 98-1338PublishedCited by 42 opinions
1Opinion of the Court
PLAGER, Circuit Judge.
This case asks us once again to examine the scope of section 1 of the Patent Act, 35 U.S.C. § 101 (1994). The United States District Court for the District of Delaware granted summary judgment to Excel Communications, Inc., Excel Communications Marketing, Inc., and Excel Telecommunications, Inc. (collectively “Excel”), holding U.S. Patent No. 5,333,184 (the 184 patent) invalid under § 101 for failure to claim statutory subject matter. See AT&T Corp. v. Excel Communications, Inc., No. CIV.A.96-434-SLR, 1998 WL 175878, at *7 (D.Del. Mar. 27, 1998). AT&T Corp. (“AT&T”), owner…
2Cases cited20 opinions
- Anderson v. Liberty Lobby, Inc.Supreme Court of the United States · 1986
- Diamond v. DiehrSupreme Court of the United States · 1981
- Gottschalk v. BensonSupreme Court of the United States · 1972
- Diamond v. ChakrabartySupreme Court of the United States · 1980
- Parker v. FlookSupreme Court of the United States · 1978
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3Cited by42 opinions
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