Cambrios seeks to invalidate rival's patent

February 12, 2019 // By Peter Clarke
Cambrios Film Solutions Corp. (Sunnyvale, Calif.), a materials company that has developed transparent electrodes based on films with embedded silver nanowire (SNW), has asked for a review of C3Nano's US Patent 9,183,968.

Cambrios claims that it is the owner of the most comprehensive portfolio of SNW related patents and is seeking to invalidate C3Nano's patent via an inter partes review (IPR).

Cambrios states that the C3Nano '968 patent rests on the assertion that its "fusion technology" is not covered by prior art. Cambrios argues in its petition that SNW transparent conductive films exceeding the electrical and optical performance described in the ‘968 patent were commercially available and used into display products sold worldwide years prior to C3Nano filing the '968 patent.

Cambrios added that this petition for review it part of a global effort – but particularly in China and the United States – to defend its portfolio of SNW related patents and challenge the validity of patents owned by others.

Cambrios has promoted its SNW technology as a replacement for indium tin oxide (ITO) in touch sensors, interactive signboards, public signage and touch TVs. The flexible nature of SNW films also has virtues for emerging display devices such as flexible, foldable, and stretchable phones and tablets.

Related links and articles:

www.cambrios.com

www.c3nano.com

News articles:

Chinese funding supports C3Nano manufacturing move

Carbon 'nanobuds' enable transparent touch sensors on 3D surfaces

Cambrios partners with Novaled on OLED lighting tiles with transparent electrodes


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