Office of Patent Classification Divisions and Contact Numbers
| Office of the Director | 703-756-1833 | (Fax 703-756-1629) |
| Editorial Division | 703-756-1847 | (Fax 703-756-1629) |
File a patent application online with EFS-web
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Resolve disputes regarding patents with PTAB
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Resolve disputes regarding trademarks with TTAB
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Patent Trial & Appeal Board
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| Office of the Director | 703-756-1833 | (Fax 703-756-1629) |
| Editorial Division | 703-756-1847 | (Fax 703-756-1629) |
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