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href="/ip-policy/international-protection/madrid-protocol" data-drupal-link-system-path="ip-policy/international-protection/madrid-protocol">Madrid Protocol international protection</a></li><li id="main-menu_0_trademarks_primary_menu_6_getting-started_primary_menu_protect-against-trademark-scams_primary_menu" role="menuitem"><a href="/trademarks/protect" data-drupal-link-system-path="trademarks/protect">Protect against trademark scams</a></li></ul></div><div class="dropdown-col"><ul><li id="main-menu_1_trademarks_primary_menu_application-process_primary_menu" class="menu-header" role="menuitem"><span class="header-text">Application process</span></li><li id="main-menu_1_trademarks_primary_menu_0_application-process_primary_menu_search-our-trademark-database_primary_menu" role="menuitem"><a href="/trademarks/search" data-drupal-link-system-path="trademarks/search">Search our trademark database</a></li><li id="main-menu_1_trademarks_primary_menu_1_application-process_primary_menu_apply-online_primary_menu" role="menuitem"><a href="/trademarks/apply" data-drupal-link-system-path="trademarks/apply">Apply online</a></li><li id="main-menu_1_trademarks_primary_menu_2_application-process_primary_menu_disclosure-of-public-information_primary_menu" role="menuitem"><a href="/trademarks/apply/faqs-personal-information-trademark-records" data-drupal-link-system-path="trademarks/apply/faqs-personal-information-trademark-records">Disclosure of public information</a></li><li id="main-menu_1_trademarks_primary_menu_3_application-process_primary_menu_checking-application-status-viewing-documents_primary_menu" role="menuitem"><a href="/trademarks/apply/check-status-view-documents" data-drupal-link-system-path="trademarks/apply/check-status-view-documents">Checking application status & viewing documents</a></li><li 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class="uspto-alert block block-ctools block-entity-viewnode block-highlighted-alert-160333-0" style="display:none"><div region="highlighted" data-history-node-id="160333" class="node node--type-page node-page node--view-mode-highlighted-alert view-mode-highlighted-alert alert alert-warning block"><div class="container-lg"><div class="clearfix text-formatted field field--name-field-alert field--type-text-long field--label-hidden field__item"><p>Starting October 28, we will transition our contact centers to a new platform. 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Customer Numbers and digital (PKI) certificate issuance and maintenance</td><td>Toll-Free:<strong> 866-217-9197</strong><br>Local:<strong> 571-272-4100</strong><br><a href="mailto:ebc@uspto.gov"><strong>ebc@uspto.gov</strong></a> </td><td><ul><li><strong>Before filing</strong></li></ul></td></tr><tr><td><a class="ck-anchor" id="STIC" href="/learning-and-resources/support-centers/stic-library-openings" name="STIC"><strong>Scientific and Technical Information Center</strong></a><strong> </strong><br>Offers scientific and technical books and periodicals to the public with an extensive collection of foreign patents. Open to the public by appointment only.</td><td>Local: <strong>571-272-2520</strong><br><strong>          571-272-3547</strong> </td><td><ul><li><strong>Before filing</strong></li></ul></td></tr><tr><td><strong>Sequence Help Desk </strong><br>Assists with questions regarding compliance with 37 CFR 1.821-1.825 (sequence rules) or use of PatentIn or Checker software programs.</td><td>Local: <strong>571-272-2510</strong><br><a href="mailto:sequencehelpdesk@uspto.gov">SequenceHelpDesk@uspto.gov</a> </td><td><ul><li><strong>Before filing</strong></li><li><strong>During examination</strong></li></ul></td></tr><tr><td><a href="/learning-and-resources/support-centers/public-search-facility"><strong>Public Search Facility</strong></a><strong> </strong><br>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.</td><td>Local: <strong>571-272-3275</strong></td><td><ul><li><strong>Before filing</strong></li></ul></td></tr><tr><td><a href="/patents/basics/international-protection/patent-cooperation-treaty" data-entity-type="node" data-entity-uuid="cf13b977-2190-4c57-bc11-c6c1b28ccd62" data-entity-substitution="canonical" title="Patent Cooperation Treaty">International Patent Legal Administration (PCT Help Desk)</a><br>Assistance with applications filed under the Patent Cooperation Treaty.</td><td>Local: <strong>571-272-4300</strong></td><td><ul><li><strong>Before filing</strong></li><li><strong>During examination</strong></li></ul></td></tr><tr><td><a href="/about-us/organizational-offices/office-commissioner-patents/office-deputy-commissioner-patent-18"><strong>Office of Patent Legal Administration</strong></a><strong> </strong><br>Rule changes, PG Pubs, Patent Term Adjustment & Extension.</td><td>Local: <br>General: <strong>571-272-7701</strong><br>PTA:<strong> 571-272-7702</strong><br>Reexamination:<strong> 571-272-7703</strong><br>AIA and special projects: <br><strong>571-272-7704</strong>               </td><td><ul><li><strong>Before filing</strong></li><li><strong>During Examination</strong></li></ul></td></tr><tr><td><a href="/patents-application-process/petitions"><strong>Office of Petitions</strong></a><strong> </strong><br>Reviews and decides petitions, requests, and related inquiries, regarding the filing of patent applications</td><td>Local: <strong>571-272-3282</strong></td><td><ul><li><strong>Before filing</strong></li><li><strong>During examination</strong></li></ul></td></tr><tr><td><a href="/learning-and-resources/support-centers/inventors-assistance-center-iac"><strong>Inventor’s Assistance Center</strong></a><br>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.</td><td>Toll-Free: <strong>800-786-9199</strong><br>Local: <strong>571-272-1000</strong><br>TTY: <strong>800-877-8339</strong></td><td><ul><li><strong>Before filing</strong></li><li><strong>During examination</strong></li><li><strong>After grant</strong></li></ul></td></tr><tr><td><a href="/patent/laws-and-regulations/leahy-smith-america-invents-act-implementation"><strong>America Invents Act Contact Center</strong></a><strong> </strong><br>For questions regarding the America Invents Act, including the new legal provisions and rules</td><td>Toll-Free: <strong>855-HELP-AIA</strong><br><strong>                855-435-7242</strong><br>Local: <strong>571-272-0300</strong><br><a href="mailto:HELPAIA@uspto.gov"><strong>HELPAIA@uspto.gov</strong></a><strong> </strong></td><td><ul><li><strong>Before filing</strong></li><li><strong>During examination</strong></li></ul></td></tr><tr><td><a href="/learning-and-resources/support-centers/application-assistance-unit-aau"><strong>Application Assistance Unit</strong></a> <br>Status inquiries regarding newly filed and allowed patent applications; and questions about Pre-Grant Publication or 18-month Publication</td><td>Toll-Free: <strong>888-786-0101</strong><br>Local: <strong>571-272-4200</strong><br><strong>          571-272-4000</strong><br><a href="mailto:HelpAAU@uspto.gov"><strong>HelpAAU@uspto.gov</strong></a></td><td><ul><li><strong>Before filing</strong></li><li><strong>Pre examination</strong></li><li><strong>Post examination</strong></li></ul></td></tr><tr><td><a href="/learning-and-resources/support-centers/assignments-recordation-branch-arb"><strong>Assignments Recordation Branch</strong></a> <br>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</td><td>Local: <strong>571-272-3350</strong><br><a href="mailto:AssignmentCenter@uspto.gov"><strong>AssignmentCenter@uspto.gov</strong></a><strong> </strong></td><td><ul><li><strong>During examination</strong></li><li><strong>After grant</strong></li></ul></td></tr><tr><td><a class="ck-anchor" id="Ombudsman"></a><strong>Office of Stakeholder Outreach and Patents Ombudsman</strong><br>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</td><td>Toll-Free: <strong>855-559-8589</strong><br>Local: <strong>571-272-5555 </strong><br>Hours of operation:<br><strong>M-F, 8:30 a.m.-5:00 p.m. ET</strong><br>Contact Form: <a href="/patent/ombudsman-program">Ombudsman</a><strong> </strong></td><td><ul><li><strong>Before filing</strong></li><li><strong>Pre examination</strong></li><li><strong>Post examination</strong></li></ul></td></tr><tr><td><a href="http://ebiz1.uspto.gov/oems25p/index.html"><strong>Patent and Trademark Copy Fulfillment Branch</strong></a><strong> </strong><br>Copies of official U.S. Patent and U.S. Trademark documents are available for sale</td><td>Toll-Free: <strong>800-972-6382</strong><br>Local: <strong>571-272-3150</strong><br>Fax: <strong>571-273-3250</strong><br><a href="mailto:dsd@uspto.gov"><strong>dsd@uspto.gov</strong></a><strong> </strong></td><td><ul><li><strong>Administration of patent or trademark</strong></li></ul></td></tr><tr><td><a href="/about-us/organizational-offices/office-chief-financial-officer/office-finance/receipts-accounting-2"><strong>Receipts Accounting Division (RAD)</strong></a><br>For information on fee payments, including maintenance fees, deposit accounts, and refunds</td><td>Local: <strong>571-272-6500 </strong></td><td><ul><li><strong>Administration of patent or trademark</strong></li></ul></td></tr><tr><td><a href="http://www.uspto.gov/web/offices/com/sol/og/2005/week42/patcorr.htm"><strong>Central Fax</strong></a><strong>  </strong><br>For transmitting by facsimile patent related correspondence. 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