US National Stage

tools and resources for Global inventors, whether from the US, Canada,
Europe, the Middle East, Australia, Polynesia, Asia, or the Americas

Free Calculators
Tools & Resources

Free Expert Patent, Trademark or Copyright Advice

Our free expert patent advice service is available to give you free general advice and information on patent strategy or the invention process. Any answers provided in response to your query are not to be considered legal advice on which you should rely. The advice is given for informational purposes, can only be of a preliminary nature, and should be used only a sounding board prior to your engaging a qualified professional to analyse the law in light of your particular circumstances.

To have a professional patent or trademark practitioner respond to your question, please email us. Or to search other frequently asked questions, we refer you to our "Ask Dr. Patentstein" service, where Global inventors are encouraged to ask Dr. Patentstein advice on any patent related topic.

Da Vinci Partners LLC, offering DA VINCI*™ services, for global leaders in innovation.
Offering ®** legal, ® and ®*** services, for our clients active in China.
*service mark covering our legal and IP services, including IP valuation services registered in Switzerland, Europe, the USA, and Canada, other countries/regions pending.
** service marks covering legal services and IP services on Chinese IP issues, registered in Switzerland, Europe, Korea, and the USA
*** service marks covering IP services involving China, registered in China, Switzerland, and the USA