FAQs Patent Questions

Question:Applicants can reinstate a cancelled claim by presenting the text of the canceled claim with the changes in a new claim

Answer:
Applicant can reinstate a canceled claim by presenting the text of the canceled claim with any desired changes in a new claim with a new claim number and use the status identifier, (new).

Question:Why does a particular drug product only have patents?

Answer:
Some drugs have both patent and exclusivity protection while others have just one or none.

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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