More Revisions have been made to the list of mail stops. The most up-to-date list of USPTO mailing information is available here.
Specific Changes:
These Mail Stops should not be used: Mail Stop Application Number, Mail Stop CPA, Mail Stop Design, Mail Stop Non-Fee Amendment, Mail Stop PGPUB-ABD, Mail Stop Patent Application, and Mail Stop Provisional Patent Application.
Mail Stop Non-Fee Amendment has been changed to Mail Stop Amendment. In addition, Mail Stop PGPUB-ABD has been changed to Mail Stop Express Abandonment. and all requests and petitions for an express abandonment under 37 CFR 1.138 should be directed to Mail Stop Express Abandonment or transmitted by facsimile to 703-305-8568.
Mail Stop L&R and Mail Stop Post Issue have been established.