The US Patent and Trademark Office (USPTO) and European Patent Office (EPO) have forged a closer relationship by signing a deal on a harmonised system for classifying patent documents.
The rest of this article is locked for subscribers only. Please login to continue reading.
If you don't have a login, you will need to purchase a subscription to gain access to this article, including all our online content. Please use this link and follow the steps.
For multi-user price options, or to check if your company has an existing subscription to us that we can add you to for FREE, please email Atif Choudhury at email@example.com
epo, uspto, cpc, patent classification