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Xing Liu


Cozen O'Connor

Xing Liu is an associate in Cozen O’Connor’s Washington, DC office, where he prosecutes and litigates patents in the electrical and mechanical arts, and advises companies on cross-border issues. Before joining the firm, Xing was an associate with a law firm in Louisville, Kentucky, where he focused on patent procurement in a variety of technical fields. Before law school, Xing worked as a mechanical engineer with a consulting engineering firm in Akron, Ohio, where he designed commercial heating, ventilation, and air conditioning (HVAC), plumbing, and fire protection systems. During graduate school, Xing conducted research in developing advanced control strategies to minimize building energy consumption through energy modeling and simulation. He co-authored several peer-reviewed articles in this area and presented a research paper at the Annual Conference of the American Society of Heating, Refrigerating and Air-Conditioning Engineers.

Recent Articles by Xing Liu

Importers Beware! Burden Shifting in Patent Infringement Cases

A large portion of the technology that we rely on daily—cell phones, computers, and the sensors and infrastructure that connect them, as well as an increasing percentage of drugs—is manufactured outside the United States, and in particular China. Indeed, over the past 25+ years the value of goods imported from China has increased ten-fold. Most companies are aware of the potential patent infringement liability for sales made in the United States but may not know that liability for infringing a U.S. patent can also extend to the processes used to make their product—even when manufacturing is done entirely outside the United States by a contract manufacturer.