Application of Calgon Corporation

How courts have described this case

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

• finding that a collateral attack on the valid- ity and ownership of a registration without seeking formal cancellation proceedings is improper in an ex parte pro- ceeding
• applicant's argument that its use antedated a registered mark was effectively an improper collateral attack on the validity of the registration, which should have been made in formal cancellation proceedings

Source: CourtListener parenthetical corpus (CC0).