Cases

Matters we have handled.

A selection of our work in high-tech patent litigation: video streaming, mobile SEPs, connected cars, semiconductors. Many of these matters were widely reported in the trade press.

2026 · TVs · HEVC · VP9 · AV1 · HDR

InterDigital v. Hisense, TCL

Video-codec and HDR patents for InterDigital against the TV businesses of Hisense and TCL, the European front of a campaign that also runs in the United States, Brazil and India. The asserted patents cover HEVC, VP9 and AV1 compression as well as high dynamic range.

Press: filings (ip fray) ↗ Press: FRAND willingness (ip fray) ↗
UPC Munich · UPC Mannheim · Munich Regional Court · Federal Patent Courtfor InterDigital
2026 · Streaming · HEVC · SEP

Velos Media v. Disney

HEVC video-codec patents for Velos Media against Disney's streaming services before the UPC in Munich and the Munich Regional Court, with parallel proceedings in the United States.

Press (ip fray) ↗
UPC Munich · Munich Regional Courtfor Velos Media
2026 · Networks · DNS

Nixu v. Infoblox

A DNS infrastructure patent for Nixu against Infoblox and its German reseller before the UPC in Hamburg, one of the first enforcement actions out of the FusionLayer portfolio.

Press (ip fray) ↗
UPC Hamburgfor Nixu
2025–2026 · Streaming · HEVC · VP9 · SEP

InterDigital v. Disney

HEVC video-codec patents for InterDigital against Disney's streaming services. The result: six injunctions in a row: three at the UPC, two of them covering 11 countries, and three in Munich (2026). In August 2026 the campaign was extended to VP9, with fresh UPC claims arguing that Disney's switch to that codec still infringes, and a damages claim of €101.7 million followed in September 2026.

Press: 1st UPC injunction (ip fray) ↗ Press: 2nd UPC injunction (ip fray) ↗ Press: VP9 claims (ip fray) ↗ Press: VP9 claims (JUVE Patent) ↗ Press: 3rd UPC injunction (ip fray) ↗ Press: damages claim (ip fray) ↗ Press: damages claim (JUVE Patent) ↗
UPC Mannheim · UPC Düsseldorf · Munich Regional Courtfor InterDigital
2025–2026 · Streaming · video · SEP

InterDigital v. Amazon

Video patents for InterDigital against Amazon's streaming services before the UPC in Mannheim and the Munich Regional Court, alongside proceedings in the United States, Brazil and the United Kingdom. The parties have since agreed to settle the terms of a new licence in arbitration.

Press: chronology (JUVE Patent) ↗ Press: arbitration (JUVE Patent) ↗
UPC Mannheim · Munich Regional Court · Federal Patent Courtfor InterDigital
2025–2026 · Mobile · video · SEP

InterDigital v. Transsion

Video and cellular patents for InterDigital against the mobile phone maker Transsion before the UPC in Munich, part of a campaign that also runs in India and Brazil.

Press (ip fray) ↗
UPC Munichfor InterDigital
2025–2026 · Streaming · video

Huawei v. Meta, RTL Group, Disney

Enforcing video and MPEG-DASH patents for Huawei against major streaming and media companies before the UPC.

Press (ip fray) ↗
UPC Mannheim · UPC Munichfor Huawei
2025–2026 · Wi-Fi · SEP

AX Wireless v. Xiaomi

Wi-Fi 6 patents for AX Wireless against Xiaomi before the UPC in Munich and Mannheim.

UPC Munich · UPC Mannheimfor AX Wireless
2025–2026 · Trucks · Farm equipment · 4G · SEP

Acer v. PACCAR, DAF, John Deere

Enforcing 4G SEPs for Acer against commercial vehicle makers: against the truck maker PACCAR and its DAF brand before the Munich Regional Court, and, together with Beijing Jingshi, against John Deere before the Mannheim Regional Court in the first cellular SEP campaign against a farm equipment maker. The validity defence runs before the Federal Patent Court. The PACCAR actions ended shortly before trial, the trade press reporting that PACCAR had taken a licence.

Press: PACCAR (ip fray) ↗ Press: John Deere (ip fray) ↗
Munich Regional Court · Mannheim Regional Court · Federal Patent Courtfor Acer
2025 · Payment terminals · SEP

Nokia v. SUNMI

Cellular SEPs for Nokia against the payment terminal maker SUNMI before the Mannheim Regional Court, settled within months of filing.

Press (ip fray) ↗
Mannheim Regional Courtfor Nokia
2024–2026 · Mobile · SEP

Malikie v. Xiaomi, Oppo

Enforcing former BlackBerry mobile patents (2G–5G) for Malikie against Xiaomi and Oppo before the UPC in Mannheim and Munich and before the Munich Regional Court, with the validity defence before the Federal Patent Court.

Press (IAM) ↗
UPC Mannheim · UPC Munich · Munich Regional Court · Federal Patent Courtfor Malikie
2023–2024 · UPC · Telecommunications

Nokia v. Verifone

Telecom patents for Nokia before the UPC and Mannheim Regional Court, ending in the first SEP settlement at the UPC.

Press (ip fray) ↗
UPC · Mannheim Regional Court · Federal Patent Courtfor Nokia
2020–2024 · Mobile · SEP

InterDigital v. Oppo, Lenovo, Xiaomi

Enforcing InterDigital's mobile portfolio before the Munich Regional Court and defending it before the Federal Patent Court.

Press (JUVE Patent) ↗
Munich Regional Court · Federal Patent Courtfor InterDigital
2021–2024 · Mobile · SEP

Nokia v. Oppo, OnePlus, Vivo

Two telecom patents for Nokia before the Mannheim Regional Court, defended before the Federal Patent Court.

Press (JUVE Patent) ↗ Settlement (JUVE Patent) ↗
Mannheim Regional Court · Federal Patent Courtfor Nokia
2021–2023 · Mobile · Portfolio

WSOU v. Huawei, Samsung, ZTE, Microsoft, Dell, Xiaomi, Google

Enforcing WSOU's patent portfolio against seven defendants before the Munich Regional Court and defending it before the Federal Patent Court.

Munich Regional Court · Federal Patent Courtfor WSOU
2019–2021 · Connected cars · SEP

Conversant Wireless v. Daimler

Telecom patents in a connected-cars dispute before the Munich Regional Court, the Federal Patent Court and the Federal Court of Justice.

Press (JUVE Patent) ↗
Munich Regional Court · Federal Patent Court · FCJfor Conversant
2019–2021 · Connected cars · SEP

Nokia v. Daimler

Telecom patents in a connected-cars dispute for Nokia before the Mannheim Regional Court, defended before the Federal Patent Court.

Press (JUVE Patent) ↗
Mannheim Regional Court · Federal Patent Courtfor Nokia
2020–2021 · Automotive · Mechanics

VW v. Jaguar Land Rover

Defending Jaguar Land Rover in a dispute over engine start/stop technology before the Munich Regional Court; challenging the patent before the Federal Patent Court.

Munich Regional Court · Federal Patent Courtfor Jaguar Land Rover
2017–2021 · Mobile · SEP

Conversant Wireless v. LG, Huawei, ZTE

Three telecom patents before the Regional Courts of Düsseldorf and Munich, defended before the Federal Patent Court.

Press (JUVE) ↗
Düsseldorf Regional Court · Munich Regional Court · Federal Patent Courtfor Conversant
2018–2020 · Mobile · SEP

INVT v. Apple, ZTE, Huawei

Enforcing three telecom patents for INVT before the Munich Regional Court and defending them before the Federal Patent Court.

Munich Regional Court · Federal Patent Courtfor INVT
2017–2020 · Power electronics

ABB v. GE

Defending GE in a dispute over HVDC systems before the Mannheim Regional Court; challenging the patent before the Federal Patent Court and the Federal Court of Justice.

Mannheim Regional Court · Federal Patent Court · FCJfor GE
2013–2019 · NFC

France Brevets v. Apple

Enforcing an NFC patent for France Brevets before the Mannheim Regional Court, defended before the Federal Patent Court and the Federal Court of Justice.

Mannheim Regional Court · Federal Patent Court · FCJfor France Brevets
2016–2018 · Mobile · SEP

FIPA AG v. Samsung, LG, Sony, HTC

Two telecom patents for FIPA before the Regional Courts of Munich and Düsseldorf, defended before the Federal Patent Court.

Press (JUVE) ↗
Munich Regional Court · Düsseldorf Regional Court · Federal Patent Courtfor FIPA
2016–2018 · Semiconductors

Invensas v. Samsung & Broadcom

Enforcing a flip-chip semiconductor patent for Invensas before the Mannheim Regional Court.

Mannheim Regional Courtfor Invensas
2016–2017 · Mobile

Nokia v. Apple

Enforcing two telecom patents for Nokia before the Düsseldorf Regional Court.

Press (JUVE) ↗
Düsseldorf Regional Courtfor Nokia
2014–2017 · Mobile · SEP

Unwired Planet v. Huawei, LG, Samsung, HTC, Google

Six telecom patents for Unwired Planet before the Düsseldorf Regional Court, defended before the Federal Patent Court and the Federal Court of Justice.

Press (JUVE) ↗
Düsseldorf Regional Court · Federal Patent Court · FCJfor Unwired Planet
2008–2016 · Mobile · Portfolio

IPCom v. Nokia, HTC, Apple, Telekom, Vodafone

Enforcing IPCom's portfolio before the Regional Courts of Mannheim, Düsseldorf and Munich, and in nullity and opposition proceedings.

Press (JUVE Patent) ↗
Mannheim Regional Court · Düsseldorf Regional Court · Munich Regional Court · Federal Patent Court · FCJ · EPOfor IPCom
MEMS · Electronics

Fraunhofer-Gesellschaft v. ST Microelectronics

Three electronics patents on MEMS technology for Fraunhofer before the Düsseldorf Regional Court, defended before the Federal Patent Court and the Federal Court of Justice.

Düsseldorf Regional Court · Federal Patent Court · FCJfor Fraunhofer

Note: some of the listed matters were handled by members of the team while at the df-mp group. Please review and obtain any client clearances before publication.

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