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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.