FAQs Patent Questions

Question:The Official Gazette contains information on Expired patents, Patents reinstated and Reissue Applications

Answer:
No. The Official Gazette contains a section at the front of the book called "Patent and Trademark Office Notices." Each week, the following information is published: a. Expired Patents: Patents that expire due to failure to pay required maintenance fees. These patent numbers are published approximately 3 months after expiration. b. Patents Reinstated: Patents reinstated due to the acceptance of a late maintenance fee. c. Reissue Applications: Patents filed as reissues. d. Reexams: Patents requested to be reexamined. e. Certificates of Correction: Patents granted certificates to correct previously published material. f. Summaries of final decisions issued by the Trademark Trial and Appeal Board.

Question:How are patents accessible in the Electronic Official Gazette - Patents?

Answer:
Patents are accessible by patent number, classification, a range of classes, patent type, and patentee name. There are also indexes by geographic location of the inventor, both by state and country.

Question:The requirements for filing a substitute specification is stated under the 37 CFR 1.125

Answer:
When applicants file a substitute specification, the following are required under 37 CFR 1.125: (1) a statement that the substitute specification includes no new matter; (2) a marked-up version of the specification with markings to show all the changes relative to the immediate prior version; and (3) a clean version of the substitute specification.

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