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Seyfarth says it published an article using a pumpkin patent to explain method claims
Seyfarth said it published an article using a jack-o’-lantern patent to explain method claims and patent drafting. The firm said the article contrasts claims directed to a tool with claims directed to the steps used to operate it and discusses how drafting choices affect enforcement.
Key points
- Seyfarth identified U.S. Patent No. 4,296,659 as the example.Seyfarth
- The firm said the patent was granted on October 27, 1981 and had expired.Seyfarth
- Seyfarth said the article distinguished methods of making, using, operating and treatment.Seyfarth
- The firm said it discussed indirect and divided infringement.Seyfarth