Myriad sues competitors for infringing genes patents

Managing IP is part of Legal Benchmarking Limited, 1-2 Paris Gardens, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Myriad sues competitors for infringing genes patents

Myriad is suing two competitors for allegedly infringing its patents on genes that can help to detect cancer, despite a ruling by the Supreme Court that human genes are ineligible for patent protection

myriad.jpg

In Association for Molecular Pathology v Myriad Genetics last month, the court ruled that isolated and purified DNA was a product of nature, which is exempt from patent protection under Section 101. The justices ruled that complementary DNA (cDNA) can be patented, however, because it requires significant human skill to create.

The genes could be used to screen for breast and ovarian cancer, but because Myriad owns the patents on them, other companies were unable to offer the tests. Utah-based Myriad charged around $3,000 for providing testing for the two genes.

Since the ruling, companies and universities have announced they will provide the tests. Last week, Myriad sued two of these companies, Ambry Genetics and Gene by Gene, claiming their tests infringed other patents owned by Myriad that were not invalidated by the court.

In a statement, Ambry CEO Charles Dunlop said the company will “vigorously defend” the complaint and the motion for preliminary injunction. He said the company has had “an overwhelming response from our clients seeking an alternative laboratory to perform BRCA testing”.

Myriad has filed a separate complaint against Gene by Gene.

more from across site and SHARED ros bottom lb

More from across our site

The firm has hired former in-house counsel Quintin Cassady to lead the launch of the new office
The combined firm has strong IP credentials across the US, Middle East, UK and Europe, despite Taylor Wessing’s German and French practices not joining
Priya Nagpal, who this month became the firm’s eighth IP partner, says its cross-practice expertise in areas closely linked to IP was a key draw
Harm van der Heijden is to join Ankar AI as head of patent innovation after 17 years in private practice
Alabama attorney Miya Aladebumoye has launched a new firm built on ‘big law’ experience and a personal touch approach
A UKIPO campaign aimed at combating fakes in the pre-loved fashion market and registration of the first Portuguese craft and industrial geographical indication were also among the top talking points
Chris Adams, Managing IP’s research lead, joins us to explain what practitioners need to know ahead of our first rankings release of 2026
Another IP litigator joins Winston & Strawn in Dallas as firm seeks to keep pace with ‘rapid’ growth of Texas market
Anthony O'Malley will replace Andrew Blattman at IPH, which owns several large IP firms across Australia, Asia and Canada
Barry Greenbaum, partner at Olshan Frome Wolosky, explains how in-house teams can update their approach to brand development, and where AI can add value
Gift this article