United States Patent and Trademark Office (USPTO)
Located in Washington D.C., the United States Patent and Trademark Office (USPTO) is the Federal agency for granting U.S. patents and registering trademarks.Visit USPTO
Searchable United States Patents and Patent Applications Databases
These Patent databases lets you search for Patents and Patent applications going back to 1790. Patents issued form 1790 through 1975 are searchable only by patent number, issue date, and current US classification.Search USPTO Patents database
Searchable United States Trademarks Database
This search engine allows you to search the USPTO's database of registered trademarks and prior pending applications to find marks that may prevent registration due to a likelihood of confusion refusal.Search USPTO Trademarks database
United States Copyright Office
The U.S. Copyright Office is an office of record for copyright registration and provides the public with information about the provision of the copyright law and procedures for making a registration or recordation.Visit U.S. Copyright Office
American Bar Association - Section of Intellectual Property Law
The American Bar Association is the professional association for lawyers in the United States. It provides law school accreditation, continuing legal education, information about the law, programs to assist lawyers and judges in their work, and initiatives to improve the legal system for the public.Visit the ABA
American Intellectual Property Law Association (AIPLA)
The American Intellectual Property Law Association (AIPLA) is a national bar association constituted primarily of lawyers in private and corporate practice, in government service, and in the academic community, with approximately 16,000 members.Visit AIPLA