Ken H. Ohriner
Ken has more than 30 years of experience in patent counseling, procurement, and litigation.
Ken Ohriner has written, filed, and prosecuted hundreds of U.S. and foreign patent applications. He has particular experience with post-grant patent proceedings, often in cases with parallel patent litigation. Clients seek his advice in connection with patent procurement, inter partes patent review, post-grant review, intellectual property (IP) portfolio development and management, IP conflict risk reduction and resolution, and trademark and industrial design procurement.
Areas of focus
Education & Credentials
Education
- St. John's University School of Law, J.D.
- Stony Brook University, B.E., Engineering
Bar and Court Admissions
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California
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U.S. Patent and Trademark Office
- U.S. Court of Appeals for the Federal Circuit
- U.S. District Court for the Central District of California
- U.S. District Court for the Southern District of California
Related Employment
- Lyon & Lyon LLP, Los Angeles, CA, Associate, 1986-1993; Partner, 1994-2002
Professional Recognition
Named the Best Lawyers’ Los Angeles "Patent Law Lawyer of the Year," 2018
Listed in The Best Lawyers in America 2012-2021: Litigation - Intellectual Property; Patent Law
Peer Review Rated AV in Martindale-Hubbell
(AV®, BV® and CV® are registered certification marks of Reed Elsevier Properties Inc., used in accordance with the Martindale-Hubbell certification procedures, standards and policies.)
Impact
Professional Leadership
- American Intellectual Property Law Association
News
Professional Experience
Patent
Patent
Inter Partes Review
IPR2015-00859; IPR2015-00098; IPR2015-01301; IPR2015-01299: Patent successfully defended the patent with the Petition denied in the Preliminary Response stage.
IPR2017-00204; IPR2016-01303; IPR2015-01300; IPR2015-01587; IRP2015-01513: Resolved via negotiated settlement.
Reexamination
| Reexamination Number | Filing Date |
| 95/002,114 | 08.31.2012 |
| 95/002,116 | 08.31.2012 |
| 95/002,118 | 08.31.2012 |
| 90/012,067 | 12.20.2011 |
| 95/001,341 | 04.20.2010 |
| 95/001,342 | 04.20.2010 |
| 95/001,343 | 04.20.2010 |
| 95/001,345 | 04.20.2010 |
| 90/010,651 | 08.20.2009 |
| 90/010,624 | 07.29.2009 |
| 95/001,192 | 05.28.2009 |
| 90/007,929 | 02.12.2006 |
Patent Litigation
Ashworth Brothers Inc. v Lawrence Equipment Inc.*
Successfully defended patent infringement claims and negotiated settlement for conveyor equipment.
Clauss Ettensberger Corporation v WTW Inc.*
Defended claims of automobile wheel design patent infringement. Negotiated settlements with the plaintiff and the client’s insurer.
Jiles v Sempra Energy*
Defended claims of patent infringement, inventorship, and related state law and tort claims, resulting in a directed verdict in favor of client Sempra Energy for earthquake gas shutoff valves.
Sage Products Inc. v Devon Industries Inc.*
Successfully defended infringement claims on three patents, through appeal for medical and surgical products. 126 F. 3D 1420 (Fed Cir. 1997); 45 F. 3d 1575 (Fed Cir. 1995); 45 USPQ 1692 (C.D. Cal. 1997); 880 F. Supp 718 (C.D. Cal. 1994); 148 FRD 213 (N.D. Ill. 1993)
Venetec International Inc. v. Medical Device Group Inc.
Successfully defended medical device startup company against multiple patent infringement claims.
Idexx Laboritories Inc. v. Abaxis Inc.*
Lead counsel in pursuing false advertising and trademark infringement claims for veterinary diagnostic equipment. Resulting in stipulated injunction.
* Prior Experience