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Petitioners

ION Geophysical Corporation Ion Geophysical Corporation and Ion International Ion International

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WESTERNGECO, L.L.C.

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ION Geophysical Corporation v. WESTERNGECO, L.L.C.

IPR2015-00565 | Patent Trial and Appeal Board

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Filed Jan. 14, 2015

Judges Beverly Bunting, Bryan Moore, Scott Daniels, and Barbara Parvis

Case Type Inter Partes Review

Status Final Written Decision

Challenged Patent 11/455,042

Patent No. 7,293,520 assignments

Tech Center 3600

Inventors Oyvind Hillesund, Simon Hastings Bittleston

Last Updated: 1 year, 12 months ago

Filing Date	#	Filing and Exhibits
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ION Geophysical Corporation v. WESTERNGECO, L.L.C.

IPR2015-00565 | Patent Trial and Appeal Board

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