How does the USPTO handle facsimile transmissions for dating purposes?
The USPTO has specific rules for dating facsimile transmissions. According to 37 CFR 1.6(a)(3): Correspondence transmitted by facsimile to the Patent and Trademark Office will be stamped with the date on which the complete transmission is received in the Patent and Trademark Office unless that date is a Saturday, Sunday, or Federal holiday within the…
Read MoreWhat is the date of receipt stamp for USPTO correspondence?
The United States Patent and Trademark Office (USPTO) stamps correspondence received with the date of receipt, known as the ‘Office Date’ stamp. This applies to papers and fees received through various methods: Mail (except Priority Mail Express®) Facsimile EFS-Web Hand-carried to the Customer Service Window As stated in the MPEP: The United States Patent and…
Read MoreWhat happens if the date of receipt stamp is illegible or missing?
If the date of receipt stamp is illegible or missing, the USPTO will make every effort to determine the correct date of receipt. This may involve examining other evidence, such as postmarks, electronic filing receipts, or other documentation. If the correct date cannot be determined, the USPTO may use the date it was discovered that…
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