These are determined on a case by case basis.
Related posts:
- When I file by paper because of technical difficulties with ESTTA or extraordinary circumstances, will it be considered untimely if USPS offices are closed and I just drop it in a mailbox?
- Can I pay the fee for both a petition to the director to accept a paper filing and the paper notice of opposition/cancellation in one check?
- Current Filing Basis
- Can applicant file a paper on an application under secrecy order if the paper does not disclose the subject invention, such as a change of correspondence address?