Weatherchem Corporation v. J.L. Clark, Inc., Defendant/cross-Appellant

How courts have described this case

Verbatim parenthetical descriptions written by other courts when citing this decision. Ranked by citation-network relevance.

• holding that drawings depicting and samples of the claimed invention were sufficiently definite to enable a person of skill in the art to practice the invention
• finding no abuse of discretion in rejecting \proposed amended findings” that \constituted nothing more than an invitation to the district court to reverse itself”
• continued work on “kinks” in the mold used to manufacture the embodiment of the invention does not undermine conclusion that invention was ready for patenting.
• record evidence of a signed purchase agreement before the critical date triggered the on-sale bar
• invention can be ready for patenting, even though an inventor continues to “fine-tune features not claimed in the patent”
• invention ready for patenting where a commercial quantity of the invention was ordered and the manufacturer was able to produce the invention using detailed drawings and specifications

Source: CourtListener parenthetical corpus (CC0).