• University of Michigan (J.D., 2002), cum laude; Contributing Editor of the University of Michigan Law Review; Clarence Darrow Scholar; Member of the Board, Campbell Moot Court Competition; Honorary Member of the Scribes Journal of Legal Writing
  • University of Southern California (B.S., Computer Engineering/Computer Science, 1997), magna cum laude; Trustee’s Scholar; Dean’s List (1993-1997); National Achievement Scholarship from Rohm and Haas Company; Associated Students of Biomedical Engineering


  • Hon. Robert E. Payne, U.S. District Court, Eastern District of Virginia.

Ellisen Turner is a partner in Irell & Manella’s Los Angeles office where he is the Managing Partner-elect, Hiring Chair and a member of the Executive Committee.  He specializes in intellectual property and patent litigation and his practice also includes inter partes review and other contested patent office proceedings, IP licensing and transactions, and IP due diligence during mergers and acquisitions.  He has represented clients in numerous federal courts as well as in the International Trade Commission and the ICC International Court of Arbitration.

From 2015 to 2017, Mr. Turner was the Vice-Chair and then Chair of the Intellectual Property Section of the National Bar Association, where he continues to serve as a Board member.  During this time he founded the organization's Diversity in Tech Awards, which annually recognize leaders in fostering diversity and inclusion in the STEM and IP fields. He also serves on the Litigation Committee, and its Education subcommittee, in the Intellectual Property Owners Association and has been an invited speaker on patent litigation and patent damages at AIPLA and other IP conferences.

In 2016, Mr. Turner was recognized as among the 40 "Most Influential Minority Attorneys" in Los Angeles by the Los Angeles Business Journal.  He was recognized as a "Trailblazer Under 40" by the National Bar Association and the "Patent Litigation Lawyer of the Year" by the Century City Bar Association in 2014.  The Los Angeles and San Francisco Daily Journals have each recognized Mr. Turner as one of the top 20 attorneys in California under the age of 40 and Law360 named him a “Rising Star” and one of the five intellectual property attorneys under 40 in the country to watch.  Mr. Turner has also been named a Southern California Super Lawyer in 2014-2017, after having been listed as a Super Lawyer "Rising Star" in intellectual property litigation every year since 2007. 

Mr. Turner has represented clients in the entertainment software, video technology, videogame, semiconductor and semiconductor packaging, telecommunication, biomedical, pharmaceutical, magnetic storage, database, and computer aided design industries in patent-related matters and in intellectual property matters during bankruptcy proceedings.  Mr. Turner also advises companies during patent license negotiations, conducts intellectual property reviews in connection with mergers, acquisitions, and asset purchases, and advises on technology development and commercialization.

Mr. Turner participates in a number of legal and community organizations.  He has been appointed as a member of the Judicial Elections Evaluations Committee for the Los Angeles County Bar Association and currently serves as Chair of the IP Section of the National Bar Association.

Mr. Turner was previously an associate columnist with the National Law Journal and has co-authored several papers and presentations regarding patent law and practice including forum selection in patent infringement litigation, claim construction hearing practice, and pre-litigation investigations.

Mr. Turner earned his J.D. cum laude from the University of Michigan where he was a contributing editor of the University of Michigan Law Review.  He authored "Swallowing the Apple Whole: Improper Patent Use By Local Rule," 100 Michigan L. Rev. 640, for which he received a West Publishing Award and an honorary membership in Scribes, the American Society of Writers on Legal Subjects.  Mr. Turner was also a research assistant on Markman Practice, Procedures and Tactics, 619 PLI/Pat 117.

Before joining Irell & Manella, Mr. Turner clerked for the Honorable Robert E. Payne of the United States District Court for the Eastern District of Virginia.

Prior to entering law school, Mr. Turner worked in private industry as a software engineer for AlliedSignal Aerospace (now Honeywell International Inc.), Hewlett-Packard, and in IBM's Santa Teresa Laboratory.  Mr. Turner also worked as a manufacturing execution system and database design consultant.

In his spare time, Mr. Turner enjoys boxing, writing, sketching, and bicycling.

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Representative Matters

Santarus, Inc. v. Par Pharmaceutical, Inc., Nos. 07-CV-0551 and 07-CV-0827 (D. Del.)

Tessera, Inc. v. Powertech Technology Inc., Nos. 4:10-cv-00945 and 4:11-cv-06121 (N.D. Cal.)

In the Matter of Certain Dynamic Random Access Memory and NAND Flash Memory Devices and Products Containing Same, Inv. No. 337-TA-803.

TiVo Inc. v. Verizon, 2:09-CV-257 (E.D. Tex.), TiVo Inc. v. AT&T Inc., 2:09-cv-259 (E.D. Tex.) and TiVo Inc. v. EchoStar Communications, Inc. (E.D. Tex)

Wisconsin Alumni Research Foundation (WARF) v. Intel Corp., No. 08-C-78-C (W.D. Wisc.)

In re Spansion Inc., et al., No. 09-10690 (Bankr. D. Del.)

Intergraph Hardware Technologies Company v. Dell Computer Corporation, Hewlett-Packard Company, and Gateway, Inc., v. Intel Corporation, No. 2:02cv312 (ED Tex.).

Intergraph Hardware Technologies Company v. Hewlett-Packard Company, No. 6:04cv214 (ED Tex.).

In re Read-Rite Corp., No. 03-43576 (N.D. Cal. Bankr.)

Tessera, Inc. v. Micron Technology, Inc., Micron Semiconductor Products, Inc., Infineon Technologies AG, Infineon Technologies Richmond, LP, Infineon Technologies North America Corp., and Qimonda AG, No. 2:05cv94 (ED. Tex.).

Tessera, Inc. v. Advanced Micro Devices, Inc, Spansion Inc, Spansion Technology Inc., Spansion LLC, Advanced Semiconductor Engineering, Inc., ASE (U.S.) Inc., ChipMOS Technologies Inc., ChipMOS U.S.A., Inc., Siliconware Precision Industries Co., Ltd., Siliconware USA Inc., STMicroelectronics N.V., STMicroelectronics, Inc., STATS ChipPAC Ltd., STATS ChipPAC, Inc., and STATS ChipPAC (BVI) Limited, No. 05-04063 (N.D. Cal.).

Tessera, Inc. v. Amkor Technology, Inc., No. 14 268/EGS (International Court of Arbitration).

In the Matter of Certain Semiconductor Chips with Minimized Chip Package Size and Products Containing Same II (Tessera, Inc. v. Qualcomm, Inc, Freescale Semiconductor, Inc., Motorola, Inc, ATI Technologies, Inc., Spansion Inc., Spansion LLC, and ST Microelectronics N.V.), International Trade Commission, Case No. 337-TA-605.

In the Matter of Certain Semiconductor Chips with Minimized Chip Package Size and Products Containing Same III (Tessera, Inc. v. A-Data Technology Co., Ltd., A-Data Technology (U.S.A.) Co., Ltd., Acer, Inc., Acer America, Inc., Centon Electronics, Inc., Elpida memory, Inc., Elpida Memory (USA) Inc., International Products Sourcing Group, Inc., Kingston Technology Co., Inc., Nanya Technology Corporation, Nanya Technology Corp. U.S.A., Peripheral Devices & Products Systems, Inc., PowerChip Semiconductor Corp., Promos Technologies Inc., Ramaxel Technology Ltd., Smart Modular Technologies, Inc., Twinmos Technologies Inc., and Twinmos Technologies USA Inc. International Trade Commission, Case No. 337-TA-630.

In the Matter of Certain Semiconductor Chips with Minimized Chip Package Size and Products Containing Same IV (Tessera, Inc. v. Siliconware Precision Industries Co., Ltd., STATS ChipPAC, Ltd., ASE Inc. and ChipMOS Technologies, Inc.), International Trade Commission, Case No. 337-TA-649.

Pitney Bowes Inc. vs. Inc.  and Inc. v. Pitney Bowes, Inc. Nos. 99-381 (JJF) (D. Del.); 5:00cv262 (E.D. Tex.); 01-641 (JJF) (D. Del.); 01-05288 (C.D. Cal.); 02-042 (D. Del.); and 02-1660 (D. Del.).

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Bar & Court Admissions

  • 2003, California
  • United States District Courts for the Central and Northern Districts of California and the Western District of Wisconsin
  • United States Court of Appeals for the Federal and Fourth Circuits
  • Registered to practice before the United States Patent and Trademark Office