Legal Opinion
Dupont v. Dennison Mfg. Co.
District Court, N.D. Illinois
Decided July 21, 1925No. 4829PublishedCited by 3 opinions
1Opinion of the Court
CARPENTER, District Judge.
On motion for preliminary injunction for patent infringement: This suit is brought by the plaintiff, based on United States patent No. 1,465,076, issued August 14, 1923, upon application filed June 13, 1921.
The defendant has moved to dismiss the bill because: (1) ?The patent is void on its face for lack of patentable novelty and invention; (2) it is void in view of the patented prior art concerning which there can be no dispute; and (3) it is void because Stocking, and not the plaintiff, was the original inventor, this fact being established by conclusive and…
2Cases cited6 opinions
- Hotchkiss v. GreenwoodSupreme Court of the United States · 1851
- Mast, Foos & Co. v. Stover Manufacturing Co.Supreme Court of the United States · 1900
- Florsheim v. SchillingSupreme Court of the United States · 1890
- Marshall v. Pettingell-Andrews Co.U.S. Circuit Court for the District of Massachusetts · 1907
- Lafferty Mfg. Co. v. Acme Ry. Signal & Mfg. Co.Court of Appeals for the Seventh Circuit · 1905
1 more not listed; retrieve them via the Exa API.
3Cited by3 opinions
- Rubinstein v. Silex Co.District Court, S.D. New York · 1947
- Tolfree v. WetzlerDistrict Court, D. New Jersey · 1927
- Gatch Wire Goods Co. v. W. A. Laid-Law Wire Co.Court of Appeals for the Seventh Circuit · 1939