Legal Opinion
Intra Corp. v. Hamar Laser Instruments, Inc.
District Court, E.D. Michigan
Decided June 17, 1987No. 86-CV-2414-DTPublishedCited by 11 opinions
1Opinion of the Court
MEMORANDUM OPINION AND ORDER
WOODS, District Judge.
Plaintiffs Intra Corporation and Eagle Technologies, Inc. (hereinafter collectively referred to as “Intra”) seek a declaratory judgment that two patents issued to Martin R. Hamar, president of defendant Hamar Laser Instruments, Inc. (“Hamar”), are invalid, unenforceable, and not infringed by Intra’s laser alignment system. Intra alleges that the subject matter of both patents would have been obvious at the time they were made to a person having ordinary skill in the art of machine alignment technology. Intra further alleges that Ha-mar engaged…
2Cases cited42 opinions
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- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
- Walker Process Equipment, Inc. v. Food MacHinery & Chemical Corp.Supreme Court of the United States · 1965
- Sri International v. Matsushita Electric Corporation of America and Matsushita Electric Industrial Co., Ltd.Court of Appeals for the Federal Circuit · 1985
- American Hoist & Derrick Company, Cross-Appellee v. Sowa & Sons, Inc., Cross-AppellantCourt of Appeals for the Federal Circuit · 1984
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3Cited by11 opinions
- The Read Corporation and F.T. Read & Sons, Inc. v. Portec, Inc., D/B/A Portec/kolberg DivisionCourt of Appeals for the Federal Circuit · 1992
- Century Wrecker Corp. v. E.R. Buske Manufacturing Co.District Court, N.D. Iowa · 1996
- Accent Designs, Inc. v. Jan Jewelry Designs, Inc.District Court, S.D. New York · 1993
- SRI International, Inc. v. Cisco Systems, Inc.District Court, D. Delaware · 2017
- Krippelz v. Ford Motor Co.District Court, N.D. Illinois · 2009
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