Legal Opinion
American Lecithin Co. v. Warfield Co.
District Court, N.D. Illinois
Decided February 16, 1938No. 14910PublishedCited by 4 opinions
1Opinion of the Court
WILKERSON, District Judge.
The plaintiff, American Lecithin Company, has brought this suit against the defendant charging infringment of its patent No. 1,781,672, dated November 11, 1930, by. the use of lecithin in the production of chocolate in accordance with the method defined in the claims of the patent. Besides denying the validity of the patent, the defendant interposed a defense based upon the case of Carbice Corp. v. American Patents Development Corp., 283 U.S. 27, 51 S.Ct. 334, 75 L.Ed. 819. The defendant insisted that this suit could not be maintained, even if the patent were valid,…
2Cases cited3 opinions
- Carbice Corp. of America v. American Patents Development Corp.Supreme Court of the United States · 1931
- Leitch Manufacturing Co. v. Barber Co.Supreme Court of the United States · 1938
- American Lecithin Co. v. J. C. Ferguson Mfg. Works, Inc.District Court, D. Rhode Island · 1937
3Cited by4 opinions
- Sylvania Industrial Corporation v. Visking CorporationCourt of Appeals for the Fourth Circuit · 1943
- Novadel-Agene Corporation v. PennCourt of Appeals for the Fifth Circuit · 1941
- American Lecithin Co. v. Warfield Co.Court of Appeals for the Seventh Circuit · 1942
- American Lecithin Co. v. Warfield Co.District Court, N.D. Illinois · 1941