Form PTO SB 431 PTO SB 431 Petition to Extend the Redemption Period

Doc Code: PET.HUM.EXT
Document Description: Petition to extend Humanitarian redemption period
PTO/SB/431 (02-19)
Approved for use through XX/XX/20XX. OMB Control Number 0651-0066
U.S. Patent and Trademark Office; U.S Department of Commerce
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PETITION TO EXTEND THE REDEMPTION PERIOD OF A
PATENTS FOR HUMANITY PROGRAM ACCELERATION CERTIFICATE (Page 1 of 1)
Certificate Number:

1.

The undersigned is/represents: (i) the holder of the above-identified certificate; (ii) the agent of (i); or (iii) an
entity with a controlling interest in (i).

2.

The above-identified certificate has not been redeemed (once an acceleration certificate has been
redeemed, it is no longer eligible for extension).

3.

The undersigned hereby requests a 12-month extension of the redemption period for the above-identified
certificate.

4.

The extension is necessary for the following reasons (e.g., lack of a suitable matter, a pending matter is not
yet ripe for certificate redemption):

5.

There is no fee incurred by this petition.

6.

It is understood that the decision whether to extend the redemption period of the above-identified certificate
rests solely within the Director’s discretion and cannot be challenged before the USPTO.

Signature

Date

Name
(Print/Typed)

Practitioner
Registration Number

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*Total of

forms are submitted.

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