REPRESENTATIVE EXPERIENCE
Patrick J. McElhinny
On behalf of Carnegie Mellon University, Mr. McElhinny co-led the team that won one of the
largest patent judgments in history in an action against Marvell Technology Group. The
technology involved was digital signal processing for computer hard drives. Also, on behalf of
Carnegie Mellon University, Mr. McElhinny and his team successfully defended two reexaminations
in the Patent and Trademark Office that challenged the patentability of the claims asserted in
the CMU v. Marvell litigation. The case ultimately settled for a US$750 million payment to
Carnegie Mellon.
Represents Carnegie Mellon University in district court litigation asserting patents relating to
digital signal processing for computer hard drives.
Represented the University of Minnesota in patent litigation and related IPR involving
technology for computer hard drives. After the university prevailed in the IPR and related
appeal, the case settled favorably just prior to trial.
Represented a major state university in several licensing disputes leading to favorable
settlements.
Represented a university health system in a confidential arbitration over a breach of contract
claim involving a change in control provision. Secured an award of US$44 million plus control
over the disputed entity.
Represented a provider of consulting and actuarial services, such as data analysis and
predictive analytics, in a patent trade secret case in federal court in Massachusetts and
secured a favorable settlement after summary judgment rulings.
Represents Massively Broadband LLC in a 12-patent infringement case pending in the Eastern
District of Texas.
Secured a favorable settlement for a Fortune 100 company in multipatent competitor case
involving bar code scanning technology.
Trial counsel to list compiler in numerous commercial and regulatory actions.
Trial counsel for oil and gas company and obtained preliminary injunction enforcing letter of
intent for lease of property for corporate headquarters.
On behalf of a publicly traded specialty metals company, Mr. McElhinny prosecuted claims of
patent infringement for patents covering nickel-based superalloy ingots and settled that case in
the Eastern District of Pennsylvania favorably after winning summary judgment on the opposing
party’s antitrust claim.
Mr. McElhinny has handled many trade secret, trademark and copyright cases, as well as cases
arising out of non-competition agreements. These cases often involve claims for preliminary
injunctive relief. The information at issue includes: software for optimization of purchasing
decisions; steel mill equipment; business information and software for industrial coatings,
transportation, medical waste disposal and list compilation businesses.
Mr. McElhinny has litigated other major patent cases involving a broad array of technologies and
claims for hundreds of millions of dollars in damages. For example, Mr. McElhinny has pursued
patent infringement claims on behalf of a publicly traded manufacturer of semiconductor
processing equipment (high-energy ion implanters). He has defended a claim for US$50 million on
a patent for power converters and a multipatent suit involving computer networking equipment and
a damages claim for US$150 million. He has defended numerous patent cases for a publicly traded
entertainment company. Mr. McElhinny also has handled patent cases involving megasonic cleaning
of silicon wafers, PVC pipe connections, personal watercraft docking systems, magnetic media for
information storage, medical devices, and methods for cleaning contaminated groundwater.