Walker v. Walker
District Court, N.D. California
1Opinion of the Court
GOODMAN, District Judge.
This is a suit, under the Federal Declaratory Judgment Act, 28 U.S.C.A. § 400, 48 Stat. 955, as amended 49 Stat. 1027 (now 28 U.S.C.A. §§ 2201, 2202)1 for a judgment declaring the single claim of defendant Walker’s patent No. 2,200,349 to be invalid. As well as defending the validity of the Walker patent, defendants also contend that plaintiffs are not entitled to declaratory relief because of the absence of a justiciable controversy. Since the existence of a justiciable controversy is essential to the maintenance of an action under 28 U.S.C.A. § 400, 28 U.S.C.A. §§…
2Cases cited4 opinions
- Treemond Co. v. Schering CorporationCourt of Appeals for the Third Circuit · 1941
- Crowell v. Baker Oil Tools, Inc.Court of Appeals for the Ninth Circuit · 1944
- General Electric Co. v. Refrigeration Patents Corp.District Court, W.D. New York · 1946
- U. S. Industrial Chemicals, Inc. v. Carbide & Carbon Chemicals Corp.District Court, S.D. New York · 1946