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The US Patent and Trademark Office is an agency of the Department of Commerce.
The US Patent and Trademark Office is part of the Department of Commerce.
United States Patent and Trademark Office
Protect new ideas and inventions so the originators receive the credit and can profit from their innovations.
The first US patent was issued in 1790, the first Superintendent of Patents was recognized as separate from the Department of State in 1802, and the US Patent and Trademark Office was created by a revision of patent laws in 1836.
The US Patent and Trademark Office website.
A Patent and Trademark Deposit Library is a library designated by the US Patent and Trademark Office to house patent and trademark records and make them available to the public. A great deal of information can be found at the website linked below.
US Patent and Trademark Office Commissioner for Patents PO Box 1450 Alexandria, VA 22313-1450
Typically you would want to protect your product through trademark or (if it's an invention) patent law, rather than copyright. The US Patent and Trademark Office has very clear walkthroughs on its website (link below); outside the US, your country's trademark and/or patent office likely has a similar process.
If the song is to be registered as a trademark you will need to contact the US Patent & Trademark office. For copyright protection, the US Copyright Office (see related links below).
For patent information, you need to contact The US Patent and Trademark Office or you can also visit their websiteand find some additional patent information there.
It depends what country you're in. The US Patent and Trademark Office is in Alexandria, Virginia; excruciatingly detailed mail instructions are at the link below.