Legal Opinion
Hall v. Duart Sales Co.
District Court, N.D. Illinois
Decided July 6, 1939No. 15614PublishedCited by 3 opinions
1Opinion of the Court
HOLLY, District Judge.
Plaintiff who claims to be the owner of Patent No. 1,668,503 for a massage and cleansing cream containing milk, and a method of preparing the same, filed her complaint charging infringement of the patent and also that defendants had been guilty of unfair competition in advertising that a face cream prepared and sold by them was the only such' cream containing milk. Defendants attack the validity of the patent, deny plaintiff’s title to the patent and deny that plaintiff may maintain her action for unfair competition.
First. As to the validity of the patent. The only…
2Cases cited6 opinions
- Bayer Co. v. United Drug Co.District Court, S.D. New York · 1921
- American Washboard Co. v. Saginaw Mfg. Co.Court of Appeals for the Sixth Circuit · 1900
- Mosler Safe Co. v. Ely-Norris Safe Co.Supreme Court of the United States · 1927
- Chickering v. Chickering & SonsCourt of Appeals for the Seventh Circuit · 1914
- State v. EversonWashington Supreme Court · 1932
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3Cited by3 opinions
- California Apparel Creators v. Wieder of California, Inc.Court of Appeals for the Second Circuit · 1947
- In Re OberwegerCourt of Customs and Patent Appeals · 1940
- California Apparel Creators v. Wieder of California, Inc.Court of Appeals for the Second Circuit · 1947