Trademarkia - the largest trademark search engine in the world
Patent Monk - The patent search engine you always wanted to exist
Cypris - Patent search for non patent professionals
TMchecks - TMchecks is a free and easy to use trade mark searching tool.
LOT Network - Help eliminate the patent troll threat
Harvel - Copyright protection tool scanning the web for illegal copies of your content, sending DMCA Takedowns to Google and hosting sites, in order to prevent revenue leak and increase sales.