Author: Robert G. Oake, Jr.

Top 50 Design Patent Case #5 In re Thorington

Top 50 Design Patent Case #5 In re Thorington The number five most cited case in design patent prosecutions is In re Thorington, 418 F.2d 528 (CCPA 1969). This case stands for the principle that a nonstatutory double patenting rejection is appropriate where the conflicting claims are not identical, but

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Top 50 Design Patent Case #4 In re Blum

Top 50 Design Patent Cases #4 In re Blum The number four cited case in design patent prosecutions is In re Blum, 374 F.2d 904 (CCPA 1967). This case stands for two principles. First, broken lines may not be used to represent an immaterial or unimportant part of a claimed

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