Hague international design patents
The Hague system allows you to use one application to file design patents in many countries simultaneously, but it is quirky and doesn’t … Read more
Stephen E. Zweig, PhD JD, Patent Attorney
The Hague system allows you to use one application to file design patents in many countries simultaneously, but it is quirky and doesn’t … Read more
A patent is invalid if the invention was sold more than a year before filing (on-sale bar), and the recent “Helsinn v … Read more
Allergan proposed a strange way to help immunize US patents from IPR attack – the “sovereign immunity defense”. IPR attacks: The America Invents … Read more
Don’t like having your own inventions used against you? Before your patent issues, consider filing a continuation application.
Patent non-publication requests are particularly useful for business method type software patents, because you can preserve your work as a trade secret if you don’t get a patent.
Do a prior art search before filing a patent. Anything that was sold or published more than a year ago, including your own work, can be used against you.