8/16/2007
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Telephone and E-Mail
Assistance
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Patent Assistance Center:
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Telephone Numbers Hours of Operation
Monday - Friday
8:30 AM - 5:30 PM (ET)
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800-PTO-9199
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(800-786-9199)
OR
571-272-1000
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E-mail your question to:
PatentPractice@uspto.gov
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