Legal Opinion
In re Langer
Court of Customs and Patent Appeals
Decided October 3, 1974No. Patent Appeal No. 9239PublishedCited by 11 opinions
1Opinion of the Court
LANE, Judge.
This appeal is from the decision of the Patent Office Board of Appeals, adhered to on reconsideration, affirming the rejection of all the claims, claims 1-20, for “lack of proof of utility (operativeness) of the claimed subject matter for its intended purpose” under 35 U.S.C. § 101, of patent application Serial No. 29,281,1 filed April 16,1970, for “Dentrifices and Method for Reducing Enamel Solubility.” We reverse in part and affirm in part.
The Specification
Appellant’s specification describes the invention in the following way:
The present invention concerns compositions and…
2Cases cited13 opinions
- Application of Alfred Marzocchi and Richard C. HortonCourt of Customs and Patent Appeals · 1971
- Application of Gordon Henry Cook and Peter Arnold MerigoldCourt of Customs and Patent Appeals · 1971
- Application of Robert R. CitronCourt of Customs and Patent Appeals · 1964
- Application of William C. AnthonyCourt of Customs and Patent Appeals · 1969
- Edwin H. Land and Meroe M. Morse v. Francis A. Regan, Jr., Seamon A. Lincoln and Donald E. HansonCourt of Customs and Patent Appeals · 1965
8 more not listed; retrieve them via the Exa API.
3Cited by11 opinions
- In re HoganCourt of Customs and Patent Appeals · 1977
- In Re Miguel F. Brana, Jose M.C. Berlanga, Marina M. Moset, Erich Schlick and Gerhard KeilhauerCourt of Appeals for the Federal Circuit · 1995
- In re KollerCourt of Customs and Patent Appeals · 1980
- In Re Joseph W. NewmanCourt of Appeals for the Federal Circuit · 1986
- In re deC. KratzCourt of Customs and Patent Appeals · 1979
6 more not listed; retrieve them via the Exa API.