The Firm provides consultations and undertakes enforcement actions of all types and at all levels, litigation, licensing, registration and transactional support. The Firm is recognized for its anti-counterfeiting work for a number of major multinational clients.

The Firm’s wide experience covers all matters related to Patents & Utility Models, Trademarks, Industrial Models & Designs, Copyrights & Authorship Rights and New Plant Varieties.

ZH&P has served many clients including:

- Colgate-Palmolive Company; U.S.A.
- Eveready Battery Company, Inc.; U.S.A.
- Landmark Group;
- Vodafone Egypt Telecommunications.
- Beltone Financial.
- Tevoli Heliopolis S.A.E.
- American University in Cairo
- Wilmar International Limited (Singapore)
- Assiut Cement Company
- Rotam Agrochem International Co., Ltd. (Hong Kong, China)
- Tai E International Law & Patent Office (Taiwan)