The Chinese State Intellectual Property Office (SIPO) on Tuesday signed an agreement to start using the same patent classification system as adopted by the E.U. and U.S. patent authorities in January, ...
The CPC is compatible with the International Patent Classification (IPC), used by WIPO and many national offices, but comprises some 250,000 categories making it much more detailed. It came into ...
WASHINGTON — The U.S. Commerce Department’s United States Patent and Trademark Office (USPTO) and the European Patent Office (EPO) today announced early publication of a classification system meant to ...
WASHINGTON — The U.S. Commerce Department’s United States Patent and Trademark Office (USPTO) and the European Patent Office (EPO) today announced the formal launch of the Cooperative Patent ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback