What are the signature requirements for correspondence in patent applications?

The signature requirements for correspondence in patent applications are outlined in MPEP 502.02. The section states:

37 CFR 1.4(d) sets forth the signature requirements for correspondence filed in the Office. Specifically, 37 CFR 1.4(d) provides that:

The signature requirements vary depending on the type of correspondence and the method of submission. Generally, they include:

• Handwritten signatures
• S-signatures (electronically created signatures)
• EFS-Web signatures for documents submitted via the Electronic Filing System

Each type of signature has specific requirements to ensure its validity and authenticity.

To learn more:

• patent application
• correspondence
• signature requirements
• USPTO