Are drawings always necessary for a patent application?

Drawings are not always necessary for a patent application, but they are required when essential for understanding the invention. According to the MPEP, 35 U.S.C. 113 (first sentence) in turn provides that an ‘applicant shall furnish a drawing where necessary for the understanding of the subject matter sought to be patented.’ The USPTO has specific…

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How have drawing requirements changed for patent applications filed on or after December 18, 2013?

For non-design patent applications filed on or after December 18, 2013, the drawing requirements have been relaxed. The MPEP states: Applications, which are not design applications, filed under 35 U.S.C. 111(a) or (b) on or after December 18, 2013 are entitled to a filing date even if the application does not contain drawings. However, it’s…

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What documents are required for an assignee to revoke power of attorney in a patent application?

What documents are required for an assignee to revoke power of attorney in a patent application? To revoke power of attorney in a patent application, an assignee must submit specific documents to the USPTO. According to MPEP 402.07, the required documents are: Statement under 37 CFR 3.73(c): This establishes the assignee’s ownership. Revocation of the…

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