df-mp tech
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.

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 · Connected cars · SEP

Nokia v. Zeekr / Geely

Enforcing a telecom patent for Nokia in a connected-cars dispute against Geely/Zeekr, one of our most recent UPC actions.

Press (JUVE Patent) ↗
UPC Mannheimfor Nokia
2024–2026 · Mobile · SEP

Malikie v. Xiaomi

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

Press (ip fray) ↗
UPC Mannheim · UPC Munich · Munich RC · Federal Patent Courtfor Malikie
2023–2024 · UPC · Telecommunications

Nokia v. Verifone

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

Press (ip fray) ↗
UPC · Mannheim RC · 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 RC · 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 RC · 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 RC · Federal Patent Courtfor WSOU
2019–2021 · Connected cars · SEP

Conversant Wireless v. Daimler

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

Press ↗
Munich RC · 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 ↗
Mannheim RC · 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 Mannheim Regional Court; challenging the patent before the Federal Patent Court.

Mannheim RC · 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 ↗
Düsseldorf RC · Munich RC · 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 RC · 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 RC · Federal Patent Court · FCJfor GE
2019–2020 · Bluetooth · WLAN

Avago v. Audi, Volkswagen

Enforcing two Bluetooth/Wi-Fi patents for Avago Technologies before the Mannheim Regional Court (representation handed over owing to a conflict).

Mannheim RCfor Avago
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.

Press (JUVE Patent) ↗
Mannheim RC · 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 ↗
Munich RC · Düsseldorf RC · 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 RCfor Invensas
2016–2017 · Mobile

Nokia v. Apple

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

Press ↗
Düsseldorf RCfor 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 ↗
Düsseldorf RC · 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 ↗
Mannheim RC · Düsseldorf RC · Munich RC · 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 RC · 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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