Antoinette M. Tease, P.L.L.C.
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Antoinette (Toni) Tease
Brittani Hissom
Jodi Fischer

Antoinette (Toni) Tease is a registered patent attorney who practices in the areas of intellectual property and technology law. Before forming her own law firm in 2003, Ms. Tease was General Counsel for Rocky Mountain Technology Group, Inc., a software development company with its worldwide headquarters in Billings, Montana. From 1995 to 2001, Ms. Tease was a member of the law firm of Crowley, Haughey, Hanson, Toole & Deitrich, P.L.L.P., the region's largest law firm, where she represented clients in both high-tech and traditional industries in intellectual property matters. While at Crowley, Ms. Tease was a partner and Chair of the firm's Intellectual Property and Technology Practice Group. Before moving to Montana in 1995, Ms. Tease practiced with the law firms of Wiley, Rein & Fielding in Washington, D.C., and Shearman & Sterling in New York City. After graduation from law school in 1990, Ms. Tease clerked for United States District Judge David A. Ezra in Honolulu, Hawaii. Ms. Tease attended law school at the University of Connecticut School of Law, where she was a Notes and Comments Editor for the Connecticut Law Review, and where she graduated with High Honors in the top 3% of her class. Ms. Tease obtained a Bachelor of Arts degree from Harvard University, where she majored in Economics.

Antoinette M. Tease Montana Patent

Ms. Tease was an active member of the American Bar Association Section of Intellectual Property Law for over a decade. Her last leadership position with the ABA was as the Assistant Financial Officer for the Section. From 2007 to 2012, she served as a member of Council, the governing body of the ABA-IPL Section. She also served as Publications Officer and Chair of the Content Advisory Board from 2010 to 2012 and Vice Chair of the Content Advisory Board from 2007 to 2010. As Publications Officer, Ms. Tease was responsible for overseeing all of the Section's publications, including the Landslide magazine, the Annual Review, and all books published by the Section. Ms. Tease is former Chair of Division VII, Information Technology, and former Chair of the Committees on Computer Software Technology, Computer Programs, and Databases. Ms. Tease has served on the Section's Strategic Communications Task Force, which engaged in long-range planning, and the Sponsorship Task Force. In addition, Ms. Tease is a former member of the Section's Patent Law Reform, Business Method Patents, and Chinese Patent Law Reform Task Forces. Ms. Tease has testified before the U.S. Senate Finance Committee on issues pertaining to intellectual property enforcement, and she has also testified as an expert witness in a multi-billion-dollar patent infringement case involving a medical device. Ms. Tease has filed more patent infringement cases than any other lawyer in Montana, and she successfully represented the patent holder in the first Montana patent case to be appealed to the U.S. Court of Appeals for the Federal Circuit.

Ms. Tease is currently a member of the Montana World Trade Center Tech Export Team. Ms. Tease served on the Business Advisory Board for the Montana State University-Billings College of Business for a number of years and was formerly on the Board of Advisors for the Montana Business Incubator in Billings. She is also a frequent speaker on intellectual property law topics and a current member of the Montana State Bar CLE Institute. Ms. Tease is also an Inaugural Member of the Montana State Bar Intellectual Property Law Section, for which she serves on the Council. In addition to being admitted to practice in Montana and New York, Ms. Tease is admitted to practice before the U.S. Patent and Trademark Office, the U.S. Supreme Court, the U.S. Court of Appeals for the Federal Circuit, the U.S. Court of Appeals for the Ninth Circuit, the U.S. Distruct Court for the District of Montana, the U.S. District Court for the Eastern District of New York, and the U.S. District Court for the Southern District of New York. Ms. Tease is Treasurer of the Harvard Club of Montana.


Brittani Hissom graduated from the University of Oregon in 2012 with a B.A. in English. Ms. Hissom returned home to Billings, where she entered the English Literature Graduate Program at the University of Montana. In 2016, Ms. Hissom graduated with a M.A. in English. The focus of Ms. Hissom's thesis was the appropriation of Asian cuisine and the role of the alimentary pathway in cultural assimilation and rejection. Ms. Hissom worked as an instructor for UM teaching composition and English Literature courses. Ms. Hissom is excited to be a part of Tease Law for its commitment to excellence and to fulfilling its mission statement of protecting and defending the intellectual property of its clients. She joins the team as a Legal Assistant in the area of patents and litigation.

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Jodi Fischer graduated from Montana State University - Billings in 2015 with an Associate of Science degree. Before joining Tease Law, Ms. Fischer worked as an Administrative Assistant for a local entrepreneur, provided sales, marketing and merchandising services to regional businesses, and held a position as Office Assistant for a national insurance company. In addition, Ms. Fischer devoted her time on a volunteer basis to a number of non-profit organizations. As a Legal Assistant at Tease Law, Ms. Fischer will be responsible for the firm's trademark and copyright portfolios.

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