What are the two types of signatures accepted for patent correspondence?

The USPTO accepts two types of signatures for patent correspondence: Handwritten signature: An original signature personally signed in permanent dark ink or its equivalent. S-signature: A signature inserted between forward slash marks, which can include electronic or mechanical signatures. As stated in 37 CFR 1.4(d): “Correspondence filed in the Office, which requires a person’s signature,…

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What are the requirements for signatures on USPTO correspondence?

The USPTO accepts different types of signatures on correspondence, including: Handwritten signatures: Original signatures in permanent dark ink or equivalent. S-signatures: A signature inserted between forward slash marks, which can be used for correspondence filed in paper, by fax, or via the electronic filing system. Electronic signatures: For correspondence submitted via the electronic filing system,…

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What are the signature requirements for patent practitioners in correspondence with the USPTO?

What are the signature requirements for patent practitioners in correspondence with the USPTO? Patent practitioners (e.g., registered attorneys or agents) must follow specific signature requirements when corresponding with the USPTO: They must personally sign correspondence using either a handwritten signature or an S-signature. An S-signature is inserted between forward slash marks and includes the practitioner’s…

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