http://www.avvo.com/legal-answers-search/patent-infringement.html Avvo.com - Patent Infringement Legal Guides http://www.avvo.com/legal-guides/ugc/is-your-patent-being-infringed A quick summary of the process to determine whether your issued patent is being infringed by another. Thu, 21 May 2009 16:43:39 PDT http://www.avvo.com/legal-guides/ugc/before-you-start-manufacturingimportingselling Ok, so you have a great idea for a company to either: (a) manufacture a product; (b) import a foreign made product into the USA; or (c) sell either of (a) or (b). Can you simply go full steam ahead and just worry about sales? NO!! Like the Boy Scout motto says "Be Prepared". Thu, 30 Jul 2009 10:58:25 PDT http://www.avvo.com/legal-guides/ugc/copyright-registration Copyright registration is not necessary to own a copyright, but it is required to enforce your rights and control the use of your work. Thu, 21 May 2009 16:38:47 PDT http://www.avvo.com/legal-guides/ugc/trademark-registration You don’t need to register to sue somebody for using your mark. However, it’s a good idea to file an application with the U.S. Patent and Trademark Office to register your mark. Thu, 10 Sep 2009 10:51:07 PDT