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Legal Opinion

DP Environmental Services, Inc. v. Bertlesen

District Court, M.D. North Carolina

Decided July 28, 1993No. Civ. 6:92CV00325PublishedCited by 11 opinions

1Opinion of the Court

MEMORANDUM OPINION

BULLOCK, Chief Judge.

Plaintiff DP Environmental Services, Inc., is suing Universal Filter-Air Systems, Inc.. (“Universal”), Main Frame Technologies, Inc. (“Main Frame”), and John C. Bertlesen seeking a declaratory judgment stating that Plaintiff is not infringing certain patents. Universal and Main Frame are both Michigan corporations with their principal places of business in Dexter, Michigan. John C. Bertlesen is a Michigan resident. Universal is the exclusive licensee for the patents at issue. Main Frame is a sub-licensee of Universal and is the exclusive marketing and…

2Cases cited27 opinions

  1. International Shoe Co. v. WashingtonSupreme Court of the United States · 1945
  2. Burger King Corp. v. RudzewiczSupreme Court of the United States · 1985
  3. World-Wide Volkswagen Corp. v. WoodsonSupreme Court of the United States · 1980
  4. McGee v. International Life InsuranceSupreme Court of the United States · 1957
  5. Keeton v. Hustler Magazine, Inc.Supreme Court of the United States · 1984

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3Cited by11 opinions

  1. Avocent Huntsville Corp. v. Aten Intern. Co., Ltd.Court of Appeals for the Federal Circuit · 2008
  2. Pan-American Products & Holdings, LLC v. R.T.G. Furniture Corp.District Court, M.D. North Carolina · 2011
  3. In Re Telectronics Pacing Systems, Inc.District Court, S.D. Ohio · 1997
  4. Gates v. Syrian Arab RepublicDistrict Court, District of Columbia · 2009
  5. Regent Lighting Corp. v. American Lighting Concept, Inc.District Court, M.D. North Carolina · 1997

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