FAQs Patent Questions

Question:A Patentee who makes or sells patented articles is required to mark the articles with the word “Patent”

Answer:
A patentee who makes or sells patented articles, or a person who does so for or under the patentee is required to mark the articles with the word “Patent” and the number of the patent. The penalty for failure to mark is that the patentee may not recover damages from an infringer unless the infringer was duly notified of the infringement and continued to infringe after the notice.

Question:How many weeks of the Electronic Official Gazette - Patents will be available on the USPTO web site?

Answer:
Current plans are to maintain one year on the web site. To locate patents announced in earlier OGs, search the USPTO Patent Full Text Database by patentee name, keyword, current classification, or patent number.

Question:How do I search for a particular type of patent, e.g., a design patent?

Answer:
To search for a particular type of patent, go to any one of the three search pages (Quick, Advanced, Number) and, in the appropriate patent number field (Patent Number, PN/, Query), enter the patent number including the appropriate prefix: 'D' for design patents, 'PP' for plant patents, 'R' for reissue patents, 'T' for defensive publications, 'H' for SIRs, 'X' for X patents, or 'AI' for Additional Improvements

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