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.
A brand used on goods or services is a trademark or service mark, not a patent.
The US Patent and Trademark Office is an agency of the Department of Commerce.
For Registering a trademark see related link. For filing a patent see related link.
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.
United States Patent and Trademark Office
Aquacoir is protected by patent and trademark, not copyright. The trademark is registered to OMS Investments.
In the US, The United States Patent and Trademark Office, an agency of the US Department of Commerce. Most Western countries also have a Government Patent Office that grants patents. The European Union has the European Patent Organisation for this purpose.
Brand names are protected by trademark law, not patent law.
complain to the Patent and trademark office
To conduct a free patent search, you can use online databases like Google Patents, the United States Patent and Trademark Office (USPTO) website, and the European Patent Office's Espacenet. These platforms allow you to search for patents by keywords, inventors, or patent numbers. You can also visit a local patent depository library for additional resources and assistance.
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.
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.