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Andrew Kopsidas’s practice focuses on intellectual property litigation and counseling, helping clients resolve their most difficult issues and disputes.Andrew has served as lead counsel in patent, trade secret, and other intellectual property matters before the Court of Appeals for the Federal Circuit, the U.S. Patent &amp; Trademark Office, the U.S. International Trade Commission (“ITC”), and district courts in dozens of states.Andrew concentrates his practice on litigating cases in district courts and in the ITC, where he is known for achieving the best results for his clients’ businesses. He has represented clients in hundreds of district court cases and over 30 ITC investigations. He regularly speaks, writes, and teaches about litigation and trial strategy.Andrew’s clients are among the most prominent U.S., Asian, and European companies operating across a range of industries including, telecommunications, automotive, chemical, aerospace, semiconductor, and consumer electronics, to name a few. He provides strategic counseling to help his clients avoid litigation by identifying, analyzing, and mitigating potential threats. When litigation is unavoidable, Andrew consistently produces positive results for his clients, always keeping the best interests of his clients’ business in mind.Prior to his legal career, Andrew was in aerospace and electrical engineering. He worked at NASA as a flight controller and systems engineer on the Hubble Space Telescope and three Space Shuttle missions. Andrew also worked as an aerospace design engineer at the U.S. Naval Research Laboratory in Washington, D.C., building drones to keep troops safe.

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Technology

Aerospace, Defense & Government Services

ADG Trade Secrets & Competitive Hiring

Blank Rome Partners Recognized in the 2026 Lawdragon 500 Leading Litigators in America

The Biggest Patent Rulings Of 2025: A Midyear Report

Blank Rome's Intellectual Property Practices and Attorneys Recognized in the 2025 IAM Patent 1000

Blank Rome Partners Recognized in the Inaugural Lawdragon 500 Leading Global IP Lawyers

Blank Rome Attorneys Named to 2024 Capital Pro Bono Honor Roll

Blank Rome Partners Recognized in the 2025 Lawdragon 500 Leading Litigators in America

Blank Rome Obtains ITC Initial Determination in Favor of EPC

Blank Rome Bolsters IP Litigation Practice with Addition of Partner Andrew Kopsidas in Washington, D.C.

Patent Litigation

Intellectual Property Litigation

Trademark Litigation

U.S. District Court Cases
<ul>
<li>Lead counsel for a financial technology company in patent infringement case involving online banking.</li>
<li>Lead counsel for a consumer electronics company in five-patent infringement case involving electronic devices.</li>
<li>Lead counsel for computer manufacturer in four-patent case involving digital video encoding technology.</li>
<li>Counsel for a telecommunications and consumer electronics company in large international dispute regarding Standard Essential Patents in 4G and 5G technology encompassing numerous district court and ITC cases.</li>
<li>Lead counsel for consumer electronics company in action for trade secret misappropriation against former employee.</li>
<li>Lead counsel for consumer electronics company in three-patent infringement action involving aviation headsets.</li>
<li>Counsel for optical lens manufacturer in multiple actions for patent infringement involving digital camera technology.</li>
<li>Lead counsel defending computer manufacturer in patent infringement action regarding liquid crystal displays, graphics processing, and pipelined computer processor architectures.</li>
<li>Lead counsel for consumer electronics company in patent infringement action regarding acoustic architecture of noise-canceling headphones.</li>
<li>Counsel for telecommunications and electronics company in multi-patent infringement action enforcing and defending against multiple patents related to flash memory devices.</li>
<li>Lead counsel for tool manufacturer in patent infringement action regarding internet technology.</li>
<li>Counsel for auto navigation manufacturer in six-patent patent infringement action regarding GPS navigation devices.</li>
<li>Defended microprocessor manufacturer in patent infringement action regarding microprocessor design.</li>
<li>Represented mobile phone manufacturer in large-scale, multi-defendant litigation involving liquid crystal display technology.</li>
<li>Represented semiconductor manufacturer in case involving computer graphics technology.</li>
</ul>
U.S. International Trade Commission, Section 337 Investigations
<ul>
<li>Certain Open-Ear Earpiece Devices, 337-TA-1470 – Lead counsel representing consumer electronics company in six-patent infringement case involving headphones.</li>
<li>Certain Electronic Eyewear Products and Components Thereof, 337-TA-1383 – Lead counsel for consumer electronics manufacturer in four-patent case involving wearable technology; won complete dismissal prior to trial.</li>
<li>Certain Semiconductor Devices and Products Containing the Same, 337-TA-1366 – Counsel for designer of gallium-nitride semiconductors in patent infringement case; won exclusion and cease &amp; desist orders following trial and Commission review.</li>
<li>Certain Semiconductor Devices Having Layered Dummy Fill, Electronic Devices, and Components Thereof, 337-TA-1342 – Lead counsel for consumer electronics manufacturer in three-patent action involving semiconductor manufacturing methods; settled favorably.</li>
<li>Electronic Devices and Semiconductor Devices with Timing-Aware Dummy Fill and Components Thereof, 337-TA-1319 – Lead counsel for consumer electronics manufacturer in litigation involving semiconductor manufacturing processes; won voluntary dismissal.</li>
<li>Certain Digital Video-Capable Devices and Components Thereof, 337-TA-1224 – Lead counsel for computer manufacturer in patent infringement case; won Commission decision of no violation following trial.</li>
<li>Certain Replacement Automotive Parts and Components Thereof, 337-TA-1160 – Lead counsel for respondent automotive parts supplier in trademark and grey market goods case involving automotive parts; settled favorably.</li>
<li>Certain Semiconductor Lithography Systems and Components Thereof, 337-TA-1137 – Lead counsel for complainant manufacturer of semiconductor lithography machines in three-patent case involving semiconductor lithography equipment; settled favorably.</li>
<li>Certain Earpiece Devices and Components Thereof, 337-TA-1121 – Lead counsel for complainant consumer electronics manufacturer in six-patent/14-respondent case involving headphone technology; won general exclusion order.</li>
<li>Certain Solid State Storage Drives, Stacked Electronics Components, and Products Containing Same,&nbsp;337-TA-1097 – Lead counsel for multiple respondents including a semiconductor manufacturer and four manufacturers of computer equipment in four-patent case involving memory technology; settled favorably.</li>
<li>Certain Consumer Electronic Devices, Including Televisions, Gaming Consoles, Mobile Phones and Tablets, and Network-Enabled DVD and Blu-Ray Players, 337-TA-1060 – Counsel for complainant in six-patent case involving networking technology; settled favorably.</li>
<li>Certain Network Devices, Related Software and Components Thereof, 337-TA-944/945 – Counsel for respondent in six-patent case involving network switches and components.</li>
<li>Certain Earpiece Devices Having Positioning and Retaining Structure and Components Thereof, 337-TA-912 – Lead counsel for consumer electronics company asserting patent related to in-ear headphone technology; settled favorably.</li>
<li>Certain Microelectromechanical Systems (“MEMS Devices”) and Products Containing Same, 337-TA-876 – Defended manufacturer of MEMS devices and tool manufacturer in five-patent case involving MEMS sensors and accelerometers; settled favorably during trial.</li>
<li>Certain Sintered Rare Earth Magnets, Methods of Making Same and Products Containing Same,&nbsp;337-TA-855 – Lead counsel defending consumer electronics company and tool company in four-patent case involving the manufacturing of sintered rare earth magnets.</li>
<li>Certain Consumer Electronics and Display Devices,&nbsp;337-TA-836 – Lead counsel defending mobile phone manufacturer in four-patent case involving graphics processing technology, microprocessor instruction sets, and liquid crystal display technology; settled favorably.</li>
<li>Certain Semiconductor Chips,&nbsp;337-TA-753 – Lead counsel defending two computer manufacturers against in six-patent case concerning DRAM and signal transmission technology; won finding of no violation following full evidentiary hearing.</li>
<li>Certain Semiconductor Chips Having Synchronous Dynamic Random Access Memory Controllers,&nbsp;337-TA-661 – Represented manufacturer of graphic processors and customers in nine-patent case concerning SDRAM controllers; settled after full evidentiary hearing while on appeal.</li>
<li>Certain Noise Cancelling Headphones,&nbsp;337-TA-626 – Lead counsel for complainant enforcing active noise-cancelling headphone patents against seven respondents; settled favorably just prior to trial.</li>
<li>Certain Foam Footwear,&nbsp;337-TA-567 – Defended respondent footwear manufacturer in patent-based unfair importation action brought by shoe manufacturer; won dismissal prior to trial.</li>
<li>Certain Signature Capture Transaction Devices,&nbsp;337-TA-504 – Represented manufacturer of point-of-sale devices in patent-based unfair importation action; settled favorably.</li>
</ul>
U.S. Appellate Court Cases
<ul>
<li>In the U.S. Court of Appeals for the Federal Circuit, represented the appellee from PTAB decisions; won affirmance.</li>
<li>In the U.S. Court of Appeals for the Fourth Circuit, represented the appellant following dismissal by trial court; won vacatur and remand of trial court dismissal.</li>
<li>In the U.S. Court of Appeals for the Federal Circuit, represented the appellee following favorable summary judgment decision; won affirmance.</li>
<li>In the U.S. Court of Appeals for the Federal Circuit, represented the appellee following favorable summary judgment decision; won dismissal of appeal.</li>
<li>In the U.S. Court of Appeals for the Federal Circuit, represented the appellee; won vacatur and remand of adverse trial court decision.</li>
</ul>
Pro Bono Matters
<ul>
<li>Won record $1.5 million judgment for victim of human trafficking.</li>
<li>Won jury verdict of $725,000 for victim of sexual discrimination and retaliation.</li>
</ul>

Andrew R. Kopsidas

Andrew R. Kopsidas

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