
Marguerite is a seasoned litigator and intellectual property transactional attorney who counsels clients in maximizing the value of their intellectual property and technology assets, including trade secrets, patents, copyrights, and trademarks. She has an emphasis on representing technology companies, particularly in the hardware, software, internet, semiconductor, biotechnology, and medical device industries, including innovators leveraging artificial intelligence and machine learning. Representative matters include: licensing transactions, acquisitions and divestitures, collaborations, joint ventures, strategic alliances and arrangements in connection with private equity, M&A and other corporate transactions.
Marguerite has achieved victories on behalf of both patent owners and accused infringers in complex litigation at both the International Trade Commission and federal district courts.
Experience
Federal District Court
- Preservation Wellness Technologies LLC v. NextGen Healthcare Information Systems LLC (E.D. Tex., 2:15-cv-01562) – Represented the defendant in a single-patent case involving a medical records system. Prior to answering the complaint, the court granted our client’s motion to dismiss on the basis that the patent claims were drawn to patent-ineligible subject matter under 35 U.S.C. § 101.
- Message Notification Technologies LLC v. Unify Inc. f/k/a Siemens Enterprise Communications (D. De.– 1:13cv1883) – Represented the defendant in a single-patent case involving automated e-mail notification technology. The case settled on terms favorable to our client after nearly two years of litigation.
- Clouding IP, LLC v. Siemens Enterprise Communications, Inc. (D. De. – 1:13cv1457) Represented global communications software and services company in defending patent infringement action regarding cloud computing. Case settled favorably.
- Presqriber, LLC v. NextGen Healthcare Information Systems, LLC. (E.D. Tex. – 6:14cv00458) Successfully represented national healthcare technology company in defending patent infringement action.
- Polartec LLC, et al. v. Lamour Global, Inc. (D. Mass. – 1:14cv10017) Obtained favorable settlement for international clothing company in patent infringement action.
- Cardsoft (Assignment for the Benefit of Creditors), LLC v. The Gores Group, LLC, et al. (E.D. Tex. – 2:12cv00325) Defended patent infringement action involving patents related to electronic point-of-sale systems. Case settled on favorable terms.
International Trade Commission
- Certain Graphics Systems, Components Thereof, and Consumer Products Containing the Same (337-TA-1044) – Represented Advanced Micro Devices (AMD) as complainant in the ITC asserting patents covering graphics processing technology employed by smart devices such as televisions and handsets. Respondents include LG Electronics, VIZIO, MediaTek, and Sigma Designs, Inc. (SDI). Achieved settlement with LG prior to the conclusion of expert discovery. Following the evidentiary hearing, the presiding ALJ issued an initial determination finding a violation of Section 337 and recommending the imposition of an exclusion order against the remaining Respondents’ accused products. The ITC affirmed the ALJ’s finding of a violation on August 22, 2018. As a result, the Commission issued orders banning the importation of products made by VIZIO, MediaTek, and SDI and cease and desist orders against VIZIO and SDI.
- Certain Computing or Graphics Systems, Components Thereof, and Vehicles Containing Same (337-TA-984) Represent owner of portfolio of graphics processing and microprocessor patents as Complainant in an ITC investigation adverse to a number of automotive manufacturers, and infotainment system and chip suppliers. Respondents include Honda, Toyota, BMW, Audi, Volkswagen, NVIDIA, Texas Instruments, Renesas, Harman International, and Fujitsu-Ten. The investigation instituted in January of 2016 and resolved favorably prior to the conclusion of expert discovery in August of 2016.
- Certain Communications or Computing Devices and Components Thereof (337-TA-925) – Represented owner of portfolio of communications and computing patents from former enterprise communications business unit of large multinational innovation company, Enterprise System Technologies, S.A.R.L. An ITC investigation was instituted in August 2014 as to respondent entities Apple, Samsung Electronics, LG Electronics and HTC Corporation. Google participated as an intervenor. The investigation resolved prior to evidentiary hearing in June of 2015.
- Certain Consumer Electronics with Display and Processing Capabilities (337-TA-884) - Represented owners of the patent portfolio of the original Silicon Graphics, now known as Graphics Properties Holdings, as complainant in the ITC. Investigation was instituted in June 2013 and among the respondent entities were Panasonic, Toshiba, Vizio, and ZTE. Most respondents settled. After an evidentiary hearing held over several days in May 2014, on August 29, 2014 Mintz successfully obtained a recommendation for a Limited Exclusion Order against the remaining respondent, which chose to settle while Commission review of the Administrative Law Judge’s Initial Determination was pending.
- Certain Consumer Electronics and Display Devices and Products Containing Same (337-TA-836) - Represented owners of the patent portfolio of the original Silicon Graphics, now known as Graphics Properties Holdings, as complainant in the ITC, and as plaintiff in multiple parallel District of Delaware cases. Cases were filed between late 2011 and early 2012, and all were resolved by the end of January 2013. The technology at issue relates to LCD panels, central processor units, graphics processing units, and other microprocessor technology. Successfully licensed all respondents, including some of the largest and most recognized names in the converged device space – Apple, LG, Research in Motion, Samsung, and Sony.
viewpoints
Nothing for free – the real costs of ChatGPT
May 11, 2023 | Blog | By Michael Renaud, Marguerite McConihe, Nana Liu
Five Tips For Every In-House Counsel Launching an Open Source Software Program
July 5, 2022 | Blog | By Marguerite McConihe, Greg Penoyer
A Business Deal Could Kill Your Right to Challenge a Patent’s Validity
February 22, 2022 | Blog | By William Meunier, Peter Cuomo, Marguerite McConihe, Sean Casey
Benefits of and Best Practices for Protecting Artificial Intelligence and Machine Learning Inventions as Trade Secrets
February 10, 2022 | Blog | By Marguerite McConihe, Meena Seralathan
Domestic Industry Alive and Well at ITC; Important New Opinion Continues Trend
February 1, 2022 | Blog | By Jonathan Engler, Marguerite McConihe, Michael Renaud
Entire Market Value Rule Strikes Again in WDTX
January 19, 2022 | Blog | By Brad M Scheller, Marguerite McConihe, Robert Sweeney
Year in Review: The Most Popular IP Posts of 2020
January 14, 2021 | Blog | By Christina Sperry
Patenting Considerations for Artificial Intelligence in Biotech and Synthetic Biology – Part 2: Key Issues in Patent Subject Matter Eligibility
January 30, 2020 | Blog | By Terri Shieh-Newton, Marguerite McConihe
Mintz Rings in 2020 with Top 10 Recognition for ITC Practice
January 6, 2020 | Blog
Patenting Considerations for Artificial Intelligence in Biotech and Synthetic Biology - Part 1
September 30, 2019 | Blog | By Terri Shieh-Newton, Marguerite McConihe
News & Press
Artificial Intelligence and Intellectual Property
August 19, 2022
Samsung, LG Settle DivX Patent Fights Over Smart TVs
July 30, 2021
Mintz Announces Nine Newly Elevated Members
December 17, 2020
How Are IP Issues Sorted Out in a Business Transaction?
June 12, 2020
Events & Speaking
Critical Components of your IP Strategy: Are You and Your IP Protected?
The Engine's Tough Tech Summit

Recognition & Awards
- Ranked 13th by Patexia among the Most Active ITC Attorneys Representing Complainants (2023)
- Ranked 15th by Patexia among the Best Performing ITC Attorneys Representing Complainants (2023)
Involvement
- Women’s Leadership Program, Boston Chamber of Commerce, Fellow
- American Bar Association, Member
- Boston Bar Association, Member
- Women’s Bar Association, Member