meimark-practices-litigation-header-thumbnail.jpg

Litigation

Mei & Mark specializes in intellectual property litigation and ITC Section 337 investigations. We defend your creativity - your innovative products and ideas - including patents, trademarks, copyrights, and trade secrets. Your intellectual property is our passion. At Mei & Mark, we protect what's uniquely yours.


Mei & Mark stands at the forefront of ITC expertise as shown by our consistently high ranking as a top ITC law firm. Our top-ranked ITC trial lawyers collectively represented clients in over 100 investigations and include former ITC attorney advisors. From patent and copyright to trademark and trade secrets, we utilize the ITC's unique procedures and attributes to achieve our clients’ goals. As leaders in the field, we represent clients in ITC enforcement, modification, and advisory opinion proceedings, as well as in post-ITC proceedings before U.S. Customs and the U.S. Court of International Trade.

Representative ITC Investigations

  • ITC Inv. No. 337-TA-1000, Certain Motorized Self-Balancing Vehicles.

  • ITC Inv. No. 337-TA-974, Certain Aquarium Fittings and Parts Thereof.

  • ITC Inv. No. 337-TA-967, Certain Document Cameras and Software for Use Therewith.

  • ITC Inv. No. 337-TA-929, Certain Beverage Brewing Capsules, Components Thereof, and Products Containing the Same.

  • ITC Inv. No. 337-TA-922, Certain Devices Containing Non-Volatile Memory and Products Containing the Same.

  • ITC Inv. No. 337-TA-909, Certain Non-Volatile Memory Devices and Products Containing Same.

  • ITC Inv. No. 337-TA-894, Certain Tires and Products Containing Same.

  • ITC Inv. No. 337-TA-890, Certain Sleep-Disordered Breathing Treatment Systems and Components Thereof.

  • ITC Inv. No. 337-TA-833, Certain Digital Models, Digital Data, and Treatment Plans for Use in Making Incremental Dental Positioning Adjustment Appliances, the Appliances Made Therefrom, and Methods of Making the Same.

  • ITC Inv. No. 337-TA-824, Certain Blu-Ray Disc Players, Components Thereof and Products Containing Same.

  • ITC Inv. No. 337-TA-789, Certain Digital Televisions and Components Thereof.

  • ITC Inv. No. 337-TA-739, Certain Ground Fault Circuit Interrupters and Products Containing Same.

  • ITC Inv. No. 337-TA-739 (Enforcement Proceeding), Certain Ground Fault Circuit Interrupters and Products Containing Same.

  • ITC Inv. No. 337-TA-731, Certain Toner Cartridges and Components Thereof.

  • ITC Inv. No. 337-TA-640, Certain Short-Wavelength Light Emitting Diodes, Laser Diodes and Products Containing Same.

  • ITC Inv. No. 337-TA-615 (Post-ITC CBP Proceeding), Certain Ground Fault Circuit Interrupters and Products Containing Same (resulting in a first ever victory for a Chinese company before CBP).

  • ITC Inv. No. 337-TA-565 (Advisory Opinion and Enforcement Proceeding), Certain Ink Cartridges and Components Thereof.

  • ITC Inv. No. 337-TA-562 (Enforcement Proceeding), Certain Incremental Dental Positioning Adjustment Appliances and Methods of Producing Same.

  • ITC Inv. No. 337-TA-1333, Certain Automated Walls and Automated Storage and Retrieval Systems, Associated Vehicles, Associated Control Software, and Component Parts Thereof (II).

  • ITC Inv. No. 337-TA-1293, Certain Automated Walls and Automated Storage and Retrieval Systems, Associated Vehicles, Associated Control Software, and Component Parts Thereof.

  • ITC Inv. No. 337-TA-1292, Certain Replacement Automotive Lamps II.

  • ITC Inv. No. 337-TA-1291, Certain Replacement Automotive Lamps I.

  • ITC Inv. No. 337-TA-1290, Certain Refrigerator Water Filtration Devices and Components Thereof.

  • ITC Inv. No. 337-TA-1283, Certain Composite Baseball and Softball Bats and Components Thereof.

  • ITC Inv. No. 337-TA-1259, Certain Toner Supply Containers and Components Thereof.

  • ITC Inv. No. 337-TA-1256, Certain Battery Jump Starters and Components Thereof.

  • ITC Inv. No. 337-TA-1211, Certain Vaporizer Cartridges and Components Thereof.

  • ITC Inv. No. 337-TA-1210, Certain Wrapping Material and Methods for Use in Agricultural Applications.

  • ITC Inv. No. 337-TA-1178, Certain Collapsible And Portable Furniture.

  • ITC Inv. No. 337-TA-1142, Certain Pocket Lighters.

  • ITC Inv. No. 337-TA-1139, Certain Electronic Nicotine Delivery Systems and Components Thereof.

  • ITC Inv. No. 337-TA-1125, Certain Height-Adjustable Desk Platforms and Components Thereof.

  • ITC Inv. No. 337-TA-1123, Certain Carburetors and Products Containing Such Carburetors.

  • ITC Inv. No. 337-TA-1114, Certain Modular LED Display Panels and Components Thereof.

  • ITC Inv. No. 337-TA-1107, Certain LED Lighting Devices and Components Thereof.

  • ITC Inv. No. 337-TA-1106, Certain Toner Cartridges and Components Thereof.

  • ITC Inv. No. 337-TA-1007/1021, Certain Personal Transporters, Components Thereof, and Packaging and Manuals Therefor.


Our legal professionals have successfully navigated patent litigation cases across various federal courts nationwide. Our extensive experience and proven track record showcase our commitment to excellence in handling patent lawsuits at the highest level of legal practice.


USPTO Post-Grant Proceedings

Our attorneys diligently advocate for our clients across a spectrum of post-grant proceedings within the United States Patent and Trademark Office (USPTO), including inter partes review (IPR), covered business method review (CBM), post-grant review (PGR), supplemental examination, ex parte reexamination, and re-issue applications. Our clients trust us to navigate the intricacies of these processes with precision and dedication, always securing the optimal outcomes.


Mei & Mark LLP specializes in intricate commercial litigation, addressing complexities such as alter ego, successor liability, and unfair competition claims. Our seasoned team also advocates for clients entangled in international business disputes, skillfully navigating through breach of contract actions and international debt collections. Trust us to bring clarity and resolution to the most intricate legal challenges in the realm of commercial law.


Our seasoned trial attorneys possess a wealth of expertise in adeptly handling litigation involving trademark/trade dress, copyright, and trade secret cases within federal courts. With a proven track record, we navigate these legal arenas before judges and juries nationwide, ensuring rigorous and effective representation for our clients.


Mei & Mark's trial attorneys excel in IP litigation across key U.S. venues, including the U.S. International Trade Commission and district courts. From infringement investigation to trial, we navigate all patent litigation phases efficiently. We pride ourselves on cost-effective representation, ensuring clients stay within budget. With a tailored strategy based on client resources, experience, and business goals, Mei & Mark achieves successful outcomes in every case. Choose us for impactful, budget-conscious representation in IP matters.


Within Mei & Mark, our appellate team comprises accomplished attorneys with outstanding academic credentials and substantial legal expertise, bolstered by federal appellate clerkship experience. Renowned for our prowess, we have effectively advocated for clients in various Federal and state appellate courts, including but not limited to the Federal Circuit, D.C. Circuit, Eleventh Circuit, Ninth Circuit, Seventh Circuit, and Fourth Circuit. Trust us to bring a wealth of knowledge and skill to every appellate matter.