- FreePatentsOnline
 - Offers access to patents and patent applications. It also has a database search feature for easy access to United States and European patents. - Patently Silly
- Real items from the United States Patent and Trademark Office that are really weird, really cool, or really scary.
- FreshPatents.com
- Offers a comprehensive database of recent inventions and free patent tracking tools.
- BountyQuest
- Allows people to post and collect cash rewards if they can find prior art on a patent.
- Patent Awards
- Patent recognition awards from the U.S., European or World Patent Offices issued as far back as 1790. Wide variety of framed documents and plaques.
- PatentWizard
- Offers a software programme that assists inventors in drafting a provisional patent application.
- Litman Law
- Offers information for businesses and innovators about patent and trademark searches and applications.
- Global IP Estimator
- Software programme which calculates worldwide cost estimates for patent and trademark applications.
- PEARL - Patent Enforcement and Royalties Ltd.
- Public company provides the public an opportunity for investment in the outcome of patent infringement lawsuits and helps inventors finance their litigation.
- Silicon Valley Seminars
- Conducts patent seminars and workshops for new and experienced attorneys, legal secretaries, paralegals, and others in this profession.
- Internet-Patents.com
- Files patent applications online.
- PatentBuddy
- Professional networking site for attorneys, agents, and inventors with one or more US patents or applications.
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