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Contact information

When to contact

qyule最新电信一 Customer Support Centers
For general patent information, Inventors Assistance Center, mailing addresses, Internet addresses, and contact information for other qyule最新电信一 services.

Toll-Free: 800-786-9199
Local: 571-272-1000
TTY: 800-877-8339

  • General filing
Patent Electronic Business Center
Customer support for electronic filing and PAIR access. Customer Numbers and digital (PKI) certificate issuance and maintenance

Toll-Free: 866-217-9197
Local: 571-272-4100
[email protected]

  • Before filing
Scientific and Technical Information Center
Offers scientific and technical books and periodicals to the public with an extensive collection of foreign patents. Open to the public by appointment only.


  • Before filing
Sequence Help Desk
Assists with questions regarding compliance with 37 CFR 1.821-1.825 (sequence rules) or use of PatentIn or Checker software programs.

[email protected]

  • Before filing
  • During examination
Public Search Facility
Provides public access to patent and trademark information in a variety of formats including on-line, microfilm, and print.  Trained staff are available to assist public users.


  • Before filing
International Patent Legal Administration (PCT Help Desk)
Assistance with applications filed under the Patent Cooperation Treaty.


  • Before filing
  • During examination
Office of Patent Legal Administration
Rule changes, PG Pubs, Patent Term Adjustment & Extension.

General: 571-272-7701
PTA: 571-272-7702
Reexamination: 571-272-7703
AIA and special projects:

  • Before filing
  • During Examination
Office of Petitions
Reviews and decides petitions, requests, and related inquiries, regarding the filing of patent applications


  • Before filing
  • During examination
Inventor’s Assistance Center
Provides patent information and services to the public. The IAC is staffed by former Supervisory Patent Examiners and experienced Primary Examiners who answer general questions concerning patent examining policy and procedures.


  • Before filing
  • During examination
  • After grant
America Invents Act Contact Center
For questions regarding the America Invents Act, including the new legal provisions and rules


[email protected]

  • Before filing
  • During examination
Application Assistance Unit
Status inquiries regarding newly filed and allowed patent applications; and  questions about Pre-Grant Publication or 18-month Publication

[email protected]

  • Before filing
  • Pre examination
  • Post examination
Assignments Recordation Branch
For help with following a new assignment or obtaining information on a pending assignment, questions on assignments, liens on patents, filing assignments, recordation forms, and trademark assignments

[email protected]

  • During examination
  • After grant
Office of Stakeholder Outreach and Patents Ombudsman
When there is a breakdown in the normal application process, including before and after prosecution, the Office of Stakeholder Outreach and Patents Ombudsman can assist in getting the application back on track

Hours of operation:
M-F, 8:30 a.m.-5:00 p.m. ET
Contact Form:Ombudsman

  • Before filing
  • Pre examination
  • Post examination
Patent and Trademark Copy Fulfillment Branch
Copies of official U.S. Patent and U.S. Trademark documents are available for sale

[email protected]

  • Administration of patent or trademark
Receipts Accounting Division (RAD)
For information on fee payments, including maintenance fees, deposit accounts, and refunds


  • Administration of patent or trademark
Central Fax
For transmitting by facsimile patent related correspondence. Please see 37 CFR 1.6(d) for an identification of correspondence that the qyule最新电信一 does not permit to be transmitted


  • Administration of patent or trademark
qyule最新电信一 Contact
Phone numbers, email addresses, and other contact information for qyule最新电信一 offices and business centers
qyule最新电信一 Contacts
  • General, patent and trademark information

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