Press release

Knobbe Martens Obtains Clean Sweep of Six IPR Denials

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Knobbe
Martens, one of the leading intellectual property and technology law
firms in the United States, has achieved a clean sweep of six Inter
Partes Review (IPR) denials on behalf of its client, CellPhone-Mate,
Inc. d/b/a SureCall.

Knobbe Martens represents SureCall, a rapidly growing pioneer in the
cellphone booster market, in ongoing patent litigation. The Fremont,
Calif.-based company’s patented booster products were the industry’s
first to simultaneously boost cellphone reception in a single five-band
booster for any carrier, including AT&T and Verizon 4G LTE frequencies.
SureCall’s patents are directed to electronic circuitry and associated
software for boosting cellphone signals in compliance with FCC
regulations.

SureCall has asserted three patents against competitor Wilson
Electronics. In late 2018, Wilson filed six IPRs challenging SureCall’s
three asserted patents covering SureCall’s five-band cell phone
boosters. Between March 19, 2019 and April 23, 2019, the Patent Trial
and Appeal Board denied institution of all six IPRs.

Notably, in each denial decision, the Board held that SureCall’s
patented boosters: (1) satisfied a long-felt but unsatisfied need in the
industry for a five-band booster; (2) were highly praised by the
industry, and; (3) that Wilson had tried and failed to develop its own
five-band booster product prior to SureCall’s introduction of the new
technology.

“Our victory at the PTAB is a truly remarkable outcome made possible by
Knobbe Martens’ expert guidance and deep knowledge of the technology
behind SureCall’s innovation,” said Hongtao Zhan, Chief Executive Office
of SureCall. “It is a pleasure to work with such a world-class team.”

The Knobbe Martens team is led by partners Jon
Gurka and Brian
Claassen, and includes associates Hans
Mayer and Daniel
Kiang.

The cases are Wilson Electronics, LLC (WeBoost) v CellPhone-Mate,
Inc. d/b/a SureCall et al., 2:17-cv-00305-DB (D. Utah);
IPR2018-01771, IPR2018-01772; IPR2018-01774; IPR2018-01776;
IPR2018-01778; IPR2018-01779 (Patent Trial and Appeal Board).