Legal Opinion
Esso Research & Engineering Co. v. Kahn & Co.
Court of Appeals for the Second Circuit
Decided April 28, 1975No. 575, Docket 74-1765PublishedCited by 4 opinions
1Per curiam
The patent involved in this case was issued to Dr. Charles W. Skarstrom for his “Method and Apparatus for Fractionating Gasseous Mixtures by Adsorption.” Skarstrom came upon his method by some clever experimenting and modification of the apparatus he was using for a similar purpose when it broke down.
Admirable as Dr. Skarstrom’s work may have been, it was done without knowledge of prior similar work of a German physicist named Kahle. We agree with Judge Blumenfeld that Kahle’s work, not cited to the Patent Office at the time of Skarstrom’s application, contains substantially all the elements…
2Cases cited2 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Esso Research & Engineering Co. v. Kahn & Company, Inc.District Court, D. Connecticut · 1974
3Cited by4 opinions
- Pentec, Inc., and Bob Allen v. Graphic Controls Corp.Court of Appeals for the Federal Circuit · 1985
- Aveda Corp. v. Evita Marketing, Inc.District Court, D. Minnesota · 1989
- Esso Research and Engineering Company v. Kahn and Company, Inc., and Chandler-Evans, Inc.Court of Appeals for the Second Circuit · 1975
- Pentec, Inc., and Bob Allen v. Graphic Controls Corp.Court of Appeals for the Federal Circuit · 1985