South Korean Intellectual Property Trial and Appeal Board Upholds Validity of 3M Korean Patent
February 27 2017 - 12:00PM
Business Wire
3M Patent Protects Stacked Prism Film
Products
The Intellectual Property Trial and Appeal Board (“IPTAB”) in
Daejeon, South Korea, recently upheld the validity of all claims of
3M’s Korean Patent No. 1,074,570 titled "Method for Stacking
Surface Structured Optical Films.”
LMS Co. Ltd. had petitioned the IPTAB to invalidate 3M’s patent
in response to a patent infringement lawsuit that 3M Innovative
Properties Co. and 3M Korea Ltd. filed against LMS on June 19,
2015, in the Seoul Central District Court.
3M’s patent infringement lawsuit alleges that certain LMS light
management film package products, including a light management film
package product sold under the product name of “XLAS,” infringe
3M’s patent.
3M’s microreplicated stacked prism films, including 3M Advanced
Structured Optical Composites (ASOC), are integrated into LCD
displays. The prism films direct light to enable a thinner and more
energy-efficient electronic display.
3M is committed to vigorously protecting its intellectual
property and investments in optical film technologies.
About 3M
At 3M, we apply science in collaborative ways to improve lives
daily. With $30 billion in sales, our 90,000 employees connect with
customers all around the world. Learn more about 3M’s creative
solutions to the world’s problems at www.3M.com or on Twitter @3M
or @3MNewsroom.
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