Ms. Zhang Jian is a partner, lawyer, and patent attorney at Han Kun Law Offices in Beijing. Ms. Zhang has been practicing the intellectual property law for more than 16 years, experienced in patent invalidation, infringement, administrative proceedings, and licensing. Also, she offers legal advice on IP disputes overseas, corporate IP portfolio planning and strategies, patent early warning, and IP due diligence. Patent filings and dispute resolution in the technical fields of communications, semiconductors, new energy, and medical devices are her specialty. As the agent of many industry-leading Chinese and foreign high-tech multinational companies in various complex IP cases before courts and administrative agencies, Ms. Zhang is helpful in assisting clients to deal with IP disputes overseas in the United States, Europe, Southeast Asia and other regions. Her legal advice always caters most to the practical needs of corporate clients in their business, taking into account the facts of cases, and seeking the best solution for the clients. Mr. Zhang has particularly rich experience in litigations and negotiations related to standard essential patents, and many of her cases are renowned in the industry. Her past in representing both rights holders and enforcers provides her with a dual dialectical perspective, which is the basis of more comprehensive legal advice.