Can multiple reissue patents be granted for a single original patent?
Yes, multiple reissue patents can be granted for a single original patent. This is explicitly allowed by 35 U.S.C. 251(b), which states:
“The Director may issue several reissued patents for distinct and separate parts of the thing patented, upon demand of the applicant, and upon payment of the required fee for a reissue for each of such reissued patents.”
This provision allows for the original patent to be divided into multiple reissue patents, each covering a distinct and separate part of the original invention. This can be useful in situations where different aspects of the invention need to be corrected or claimed separately. However, each reissue application would require its own fee and would be examined separately.
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