Monitor any US company's patent portfolio. Get email alerts 6 months, 3 months, and 30 days before a maintenance fee window closes — so you can plan a product launch with real runway.
Browse upcoming lapsesNo contracts. Cancel anytime. Compared to Derwent Innovation $10K+/yr.
US utility patents require maintenance fees at 3.5, 7.5, and 11.5 years after grant. If the owner doesn't pay, the patent lapses and the invention enters the public domain — meaning anyone can use that technology freely.
We watch the USPTO maintenance-fee data for any company or patent you choose and email you 6 months, 3 months, and 30 days before a window closes — so you get early warning that a competitor's patent may be about to lapse and free up a technology.
The official USPTO Patent Maintenance Fee Events (PTMNFEE2) bulk dataset, in the public domain. We process it daily — no scraping and no unofficial sources.
Plans start at $49/mo. The Pro plan ($99/mo) adds company-wide portfolio monitoring and a competitor lapse feed. Cancel anytime, no contract.
Yes. On the Pro and Unlimited plans you can watch all patents assigned to a company and get a single feed of every upcoming lapse across their portfolio.
Enter a company name or patent number and we'll track it from here.