• Drafting, filing and prosecuting.

• Re-examination proceedings and court appeals against rejections.

• Invalidation proceedings and court appeals against PRB decisions.

• PCT applications filing and prosecution.

• Advising, drafting and negotiating for licensing and assignment.

• Administrative proceedings against infringement or other disputes.

• Infringement litigations.

• Payment for patent annuities.

• Patents search and opinion.

• Patents watch.

• Infringement analysis.

• Market clearance search, investigation and analysis.

• Advising on patents protection and strategy.

• Hong Kong and Macao patent and design registration.