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Subject Telephone Fax TTY
 Cancellations, Trademarks 571-272-8500    
 Registration (Trademark Trial and Appeal Board) 571-272-5600 571-273-0110  
 CD and DVD-ROM Products      
 Central Reexamination Unit 571-272-7705 571-273-9900  
 Certificates of Correction, Patents 703-756-1814 571-273-8300  
 Certificates of Correction, Trademarks 571-272-9500    
Certification Services 800-972-6382
571-272-3150
571-273-3250  
Change of Address      
   Attorney Roster 571-272-4097    
   Issued Patents for File Records
   (Office of Public Records)
571-272-3150    
Issued Patents for Maintenance Fee Notification 571-272-6500    
  Pending Patent Applications
   See Appropriate Patent Technology Center
     
  Pending Trademark Applications
   See Appropriate Trademark Law Office
     
Checker Software Program Support
  See Patent Electronic Business Center
     
Chemical Examining Groups
   See Patent Technology Centers
     

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Subject Telephone Fax TTY
Classification Definitions, Patents 703-756-1847    
Classification, International Patent Classification System (IPC) 703-756-1847    
Classification of Goods and Services, Trademarks      
   General Information 800-786-9199
571-272-9250
   
   Specific Application
   See Appropriate Trademark Law Office
     
Classification Operations 703-756-1833 703-756-1629  
   Chemical Classification Unit
   (Technology Centers 1600)
     
   Chemical Classification Unit
   (Technology Centers 1700)
703-756-1841    
   Electrical Classification Unit
   (Technology Center 2100, 2600, 2800)
703-756-1841    
   Electrical Classification Unit
   (Technology Center 3600)
703-756-1837    
   Mechanical Classification Unit
   (Technology Center 3700)
703-756-1846    
   Mechanical Classification Unit
   (Technology Center 2900)
703-756-1843    
Classification Support 703-756-1833 703-756-1629  
   Data Control Division 703-756-1833 703-756-1629  
   Editorial Division 703-756-1847 703-756-1626  
Classification, US Patent Classification System (USPC) 703-756-1847    
Complaints Regarding Invention Promotion Firms 866-767-3848    
Concurrent Use Proceedings, Trademarks 571-272-8500    
Congressional Liaison
  
See Administrator for Policy and External Affairs, Office of the
     
Copies      
   Advance Orders of Patent Soft Copies, Non-Receipt 888-786-0101
571-272-4200
571-273-8300  
   Copies of Patent and Trademark Office Documents
   (Certified or Uncertified)
571-272-3150 571-273-3250  
   Foreign Patents 571-272-3547 571-273-0225  
   Subclass Subscriptions, Patent
  (copies of every patent issued every Tuesday for a    
  particular subclass)
888-786-0101
571-272-4200
571-273-8300  
   Title Records (for applications and registrations) 571-272-3150 571-273-3250  
Copyright Information - United States Copyright Office 202-707-3000  

202-707-6737

   Copyright Office Forms and Publications Hot Line 202-707-9100    
   Copyright Office Fax-on-Demand 202-707-2600    
Correction of Applications for Patent 571-272-4200    
Correction, Patents
  See Certificates of Corrections, Patents
     
Correction, Trademarks
  See Certificates of Corrections, Trademarks
     
Customer Number, Electronic Business Center 866-217-9197
571-272-4100
571-273-0048  
Customer Window for Certain Patent-Related Correspondence      
   Location:   Randolph Building  
                      401 Dulany St.  
                      Alexandria, VA 22314       
  Hours:         8:30 a.m. to 12 midnight, Monday to Friday
                       (except Federal holidays)   
     

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Last Modified: 1/31/2012 5:22:06 PM