Chun Xu’s practice includes patent litigation and trials before the Patent Trial and Appeal Board (PTAB), including inter partes reviews and post grant reviews. His practice also includes other matters in the U.S. Patent and Trademark Office (USPTO), including ex parte reexaminations. He is skilled in complex high-tech technologies in electrical engineering and computer science, with particular experience in wireless communication, signal processing, and semiconductor manufacturing. 

Chun has litigated matters concerning semiconductors, from manufacturing to implementation, including physical and chemical vapor deposition, photolithography, and dry and wet etching, as well as dicing and packaging. His experience further includes cases concerning chip design, including digital signal processing chips for multimedia streaming and MEMS devices. 

Chun has also litigated matters involving wireless communication under 3G, 4G, and LTE standards as well short-range communication protocols including Bluetooth, Wi-Fi (IEEE 802.11), and Ultra‑Wideband. Chun’s engineering background further enables him to analyze ASIC (Application-Specific Integrated Circuit) design and FPGA (Field-Programmable Gate Array) programming.

Chun’s technical experience encompasses areas such as wireless power transmission, antennas, computer software, communication systems, blockchain technologies, and artificial intelligence.

Chun is proficient in Mandarin, enabling seamless communication with Asian clients throughout their representation.