Intellectual Property

Expanding the Scope

DOCOMO actively researches and develops W-CDMA, LTE, LTE-Advanced and 5G technologies to evolve its networks and launch new services, with the ultimate goal of enhancing mobile experiences for customers. As a result, DOCOMO is having some 5,500 patents in Japan and 9,100 patents overseas as of March 2017.

DOCOMO is actively contributing to international standardization and many technical proposals from DOCOMO are incorporated into the standards. The company owns a large number of standard-essential patents notice1. Independent analysis has placed DOCOMO in first place among telecom operators, and seventh among all organizations in terms of its global share of essential patents for LTE (Ref. New windowEvaluation of LTE essential patents declared to ETSI Version 3 by Cyber Creative Institute Co. Ltd., June, 2013 ).

DOCOMO Patent Application Data

DOCOMO is steadily expanding the scope of its intellectual property in order to strengthen its competitiveness in Japan and abroad.
DOCOMO increased the number of 5G patent applications as the efforts toward standardization of 5G specifications gained momentum in FY2016.

Graph showing changes in the number of patents heldGraph showing changes in the number of patents held

Patent application field: 5G

5G aims to achieve a high capacity network which is able to support increase in traffic with low cost and reduced power consumption.
DOCOMO is conducting research and development to enable a wide range of capabilities such as super high data rate communications of over 10Gbps, lower latency, and simultaneous connection of a large number of terminals in order to support the future spread of M2M communications and IoT, and promoting relevant intellectual property activities.

Patent application field: new services

To achieve the Medium-Term Strategy 2020 "Declaration beyond" goals, DOCOMO is expanding the scope of intellectual property by applying for patents for IoT service solutions, AI agents, solutions utilizing drones, and UI technology for flexible displays.

Patent Licensing

DOCOMO licenses its standard-essential patentsnotice1 on FRAND (Fair, Reasonable and Non-Discriminatory) terms.
DOCOMO has owned more than 6,000 patents/patent applications worldwide in the field of 3GPP standard-essential patents and continues to license them through both bilateral negotiation and patent pool.

Sharp Corporation

DOCOMO has granted a patent license to Sharp Corporation. The agreement covers DOCOMO's W-CDMA, LTE and LTE-Advanced standard-essential patents.

Microsoft Corporation

DOCOMO has granted a patent license to Microsoft Corporation. The agreement covers DOCOMO's W-CDMA, LTE and LTE-Advanced standard-essential patents.

HTC Corporation

DOCOMO has granted a patent license to HTC Corporation. The agreement covers DOCOMO's W-CDMA, LTE and LTE-Advanced standard-essential patents.

HUAWEI

DOCOMO has granted a patent license to HUAWEI. The agreement covers DOCOMO's standard-essential patents for wireless communication technologies.

LG Electronics Inc.

DOCOMO has granted a terminal patent license to LG Electronics Inc. The agreement covers DOCOMO's W-CDMA, LTE and LTE-Advanced standard-essential patents.

Including standard-essential patents, if you are interested in taking a license, please contact us at:

Patent Licensing Contact Information
Strategic Licensing Group
Intellectual Property Department
NTT DOCOMO
Sanno Park Tower, 36th Floor, 11-1 Nagata-cho 2-chome, Chiyoda-ku, Tokyo 100-6136

patent hyphen license at nttdocomo dot com

Alternatively, it is also possible to obtain licenses to our standard-essential patents through the following patent poolsnotice2. If you are interested in taking a pool license, please contact the concerned Licensing Administrator.

Patent Pools through which DOCOMO Licenses standard-essential patents

Patent Pools through which DOCOMO Licenses standard-essential patents
Patent Pool Licensing Administrator
New windowLTE Via Licensing
New windowW-CDMA Via Licensing
New windowHEVC/H.265 (High Efficiency Video Coding) MPEG LA
New windowAVC/H.264 (Advanced Video Coding) MPEG LA
New windowMVC (Multiview Video Coding) MPEG LA
New windowAAC (Advanced Audio Coding) Via Licensing
New windowxHE-AAC (Extended High-Efficiency Advanced Audio Coding) Via Licensing
New windowEVS (Enhanced Voice Services) MPEG LA
  • 1 Standard-essential patent: A patent which is unavoidably infringed when manufacturing a standard-compliant product without a license from the patent owner.
  • 2 Patent Pool: A mechanism whereby a plurality of patent holders collectively license standard-essential patents.
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