Tools & Calculators
Free tools for patent and trademark attorneys. Calculate USPTO fees, track deadlines, and simplify your practice.
Trademark Status Lookup
Look up any USPTO trademark by serial number or registration number. Check status, owner, filing dates, and goods/services instantly.
Patent Search
Search US patent applications and granted patents by keyword, company, or inventor. Find prior art and explore patent portfolios.
USPTO Fee Calculator
Calculate trademark and patent filing fees based on the January 2025 USPTO fee schedule. Includes application fees, maintenance fees, and entity size discounts.
Trademark Deadline Calculator
Enter your registration date to see Section 8, Section 9, and Section 15 deadlines. Never miss a trademark maintenance filing.
Patent Maintenance Fee Calculator
Calculate patent maintenance fees and deadlines. Enter your issue date to see payment windows at 3.5, 7.5, and 11.5 years with entity size discounts.
Law Firm Revenue Calculator
Calculate how much revenue your firm loses to manual time tracking. See the ROI of automated time capture for attorneys.