Monday, January 29, 2018


SALT LAKE CITY — CAO Group, Inc. (CAO) has filed patent infringement lawsuits in the United States District Court for the State of Utah and in the United States District Court for the Central District of California against Biolase, Inc. (NASDAQ: BIOL).

CAO will open stayed case in Utah Federal Court and file amendment for infringement of reexamined U.S. Patent 7,485,116 C1 against Biolase’s EPIC and ezlase product lines. The original U.S. Patent 7,485,116 was vigorously challenged through inter partes reexamination by Biolase after CAO filed its complaint in 2012. CAO received the reexamination certificate in July 2017, affirming the patentability of four claims added to the patent during the reexamination.

CAO also filed a patent infringement complaint in California Federal Court, identifying Biolase’s infringement of claims in CAO’s U.S. Patents 8,337,097, 8,834,457, 8,961,040, and 8,967,883 by its EPIC, iLase, and ezlase® product lines.

CAO is seeking for past damages, injunction relief, enhanced damages for willful infringement, and legal cost in both cases.

“Biolase, Inc. knows of CAO’s patents, failed the challenge of CAO’s key patent through reexamine in US patent and trademark office, and continues to infringe CAO’s patents by marketing and selling infringing diode laser products. All of Biolase’s diode laser products are covered by CAO’s issued patents. CAO will vigorously defend its technology to protect its investment and licensed manufacturers.” said Densen Cao, PhD, President of CAO. “Our teachings in diode laser systems have been widely adopted by the industry, have benefited practitioners, and have made dental/medical uses of diode lasers Easier, Faster, and Better.”

CAO pioneered modern diode laser systems and developed technologies to enable the wide use of diode lasers in dental, medical, and veterinary fields. CAO shipped its first modern diode laser products with its distribution partner more than a decade ago. As of today, CAO is a market leader in diode laser manufacturing and has been granted multiple U.S. and international patents relating to diode laser systems, including fiber management, disposable tips, wireless footswitch control, battery operation, touchscreen laser control, multiple wavelength emission, and many other features. CAO also has pending patent applications relating to the field of diode laser systems for medical, dental, and veterinary applications.

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