DuPont Files Patent Infringement Lawsuit against SunEdison

          DuPont Files Patent Infringement Lawsuit against SunEdison

PR Newswire

WILMINGTON, Del., Aug. 21, 2014

WILMINGTON, Del., Aug. 21, 2014 /PRNewswire/ --Today DuPont filed a patent
infringement lawsuit against SunEdison and its affiliate NVT LLC in the U.S.
District Court for the District of Delaware. In its complaint, DuPont alleges
that by sourcing and using photovoltaic cells and solar modules containing
Samsung SDI Co., Ltd. (into which the former Cheil Industries Inc. merged)
front side metallization paste, SunEdison infringes DuPont's patented
tellurium paste technology. The complaint also identifies Neo Solar Power of
Taiwan as the cell manufacturer and Flextronics as SunEdison's contract

"DuPont will enforce its patent rights to protect our substantial investment
in innovation to improve solar energy efficiency," said Peter Brenner, global
photovoltaic business marketing manager, Microcircuit Materials, DuPont
Electronics & Communications. "Installers and module makers like SunEdison
are responsible for ensuring that their products do not use infringing cells
or pastes. Our patented tellurium technology is available only from DuPont;
no other photovoltaic paste manufacturer has a license to use our patented

As a leading supplier of materials to the photovoltaic industry, DuPont has
helped improve the power output, reliable lifetime and cost-competitiveness of
solar energy through innovations such as Solamet® photovoltaic metallization
paste products. DuPont has been able to deliver these innovations to the
solar industry as a result of investing heavily in research and development.

DuPont™ Solamet® photovoltaic metallization pastes are part of a broad and
growing portfolio of products represented by DuPont Photovoltaic Solutions
(DPVS), which connects science and technology from across the company on a
global scale to help support the dramatic growth in the photovoltaic
industry. To learn more, please visit

DuPont (NYSE: DD) has been bringing world-class science and engineering to the
global marketplace in the form of innovative products, materials, and services
since 1802. The company believes that by collaborating with customers,
governments, NGOs, and thought leaders we can help find solutions to such
global challenges as providing enough healthy food for people everywhere,
decreasing dependence on fossil fuels, and protecting life and the
environment. For additional information about DuPont and its commitment to
inclusive innovation, please visit

The DuPont Oval Logo, DuPont™ and Solamet® are registered trademarks or
trademarks of DuPont or its affiliates.


Contact: Dan Turner, 302-774-0081,
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