Description
To identify relevant patents, comprehensive searches were conducted across multiple patent databases using a combination of search strings, IPC/CPC classifications, and HEVC–specific keywords.
To determine the essentiality of a patent, each claim is compared to the H.265 standard to identify whether the patented claim’s elements are present in the standard. Essentiality is checked with respect to all versions of HEVC, respectively, as improvements have been gradually implemented to address evolving technological demands in HEVC.
Patented claim is compared to the standard, and if every element of the claim aligns with the H.265 specifications, the patent is considered essential. On the other hand, if any element is not present or there is a contradiction between the claim and the standard (e.g., conflicting requirements or descriptions), the patent is considered non-essential. This manual evaluation process ensures that only patents fully aligned with the H.265 standard’s requirements are classified as essential.
Frequently asked questions
What does this report cover for MediaTek and HEVC?
It is an essentiality analysis of MediaTek’s portfolio against the HEVC/H.265 standard. A total of 89 active granted patents related to HEVC were identified. Each was evaluated by manually mapping its independent claim elements to the relevant sections of the standard. Coverage spans block based coding, predictive coding, transformation and quantization, multi-layer and filtering, so the report shows which parts of high efficiency video coding the portfolio touches.
How were MediaTek’s HEVC patents found?
Searches were run across multiple patent databases using a combination of search strings, IPC and CPC classifications, and keywords specific to HEVC. Results were then narrowed to active granted patents, which is why the count of 89 refers to granted rights rather than applications. Each surviving patent went into the manual claim mapping stage. Working from several databases helps capture family members filed in different jurisdictions.
What does mapping independent claim elements involve?
The independent claim of each patent is broken into its elements, and each element is compared with the sections of the H.265 specification that deal with the same function. If all elements align with the specification, the patent is treated as essential. If an element is absent, or the claim and the standard conflict, it is treated as non-essential. The comparison is done by hand, so the reasoning behind each result can be traced.
How is the report supplied?
On request through the contact page of this website. Set out what you need, and the team will come back with the details of the report. Scope can be adjusted, so the review can be limited to certain HEVC areas or repeated for a different portfolio. There is no instant download here, since each request is discussed before the report is prepared.

