Our Services

DOOCHANG IP LAW OFFICE performs various tasks in general industrial property rights such as patents, utility models, design patents, and trademarks.

Application

We prepare and file applications for patents, utility models, designs, and trademarks with the Korean Intellectual Property Office (KIPO).


Appeal Proceedings

Appeal proceedings before KIPO’s Intellectual Property Trial and Appeal Board (IPTAB) against decisions rejecting applications for patents, utility models, designs, and trademarks.


Invalidation Trials

Invalidation trials of patents, utility models, designs, and trademarks before KIPO’s Intellectual


Litigation

Litigation against IPTAB decisions before the Patent Court of Korea or the Supreme Court.


Expert Opinions

Providing expert opinions on the invalidation and infringement of patents, utility models, designs, and trademarks.