May Patents Ltd.
USPTO PatentsView assignee record - 123 granted patents across 33 technology areas, recorded in grant years 2015–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: H04L (Transmission OF Digital Information, e.g. Telegraphic Communication).
The verdict
According to USPTO PatentsView, May ranks #3,084 of 49,997 tracked US assignees by granted-patent volume, with 123 patents across 33 technology areas.
- #3,084
- of 49,997 US assignees by volume
- Top 3%
- by Innovation Score (60.1/100)
- 47.8
- avg claims per patent
- +250%
- grant velocity, last 5 yrs
USPTO PatentsView assignee plate
Corpus R3084 · Foreign Corporation #3,084 · 123 grants
GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-STRONG · CLAIMS-DENSE · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL
- GRANTS-MID 123 grants
- TOP-DECILE #3,084/49,997
- PHOTO-FINISH Headwater Research
- CPC-FOCUS H04L · 33 areas
- INNOV-STRONG 60.1/100
- CLAIMS-DENSE 47.8 claims/avg
- TYPE-FRNCORP Foreign Corp
- VEL-SURGE +250% vel
- BOOK-FULL 10/10 fields
Nearest grant-volume peer: Headwater Research LLC (±0 grants)
Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.
How May’s 60.1 Innovation Score adds up
The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.
Innovation-score neighbourhood around May
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Scania CV AB · near
Scania CV AB · near
60 score
- Brown University · near
Brown University · near
60 score
- Luxembourg Institute… · near
Luxembourg Institute… · near
60 score
- May Patents · this assignee
May Patents · this assignee
60 score
- Screen Holdings · near
Screen Holdings · near
60 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows May's Innovation Score is 60.1/100 (top 3% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.
Does more volume mean deeper claims for May?
Each dot is one of May’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). May’s own 47.8 claims/patent is ABOVE the 13.7 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.
Where May's grants concentrate
May Patents Ltd. is a focused PatentsView assignee: 33 CPC subclasses with 69.1% of grants classified under H04L (Transmission OF Digital Information, e.g. Telegraphic Communication). Peak complete grant year is 2021 (21 grants) versus a trough of 4 in 2015. By volume, May sits between Headwater Research LLC and Anker Innovations Technology Co., Ltd..
May's three-year grant acceleration
From 2019–2021 to 2022–2024, May Patents Ltd. moved from 40 to 49 grants (1.23x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #751. See the growth leaderboard.
Who files at May's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Headwater Research
Headwater Research LLC
123 patents
- Knorr-bremse Syst…
Knorr-bremse Systeme FÜR Schienenfahrzeuge GMBH
123 patents
- Lifetime Products
Lifetime Products, Inc.
123 patents
- MPI
MPI Corporation
123 patents
- Soraa
Soraa, Inc.
123 patents
- W R Grace & -Conn
W.R. Grace & Co.-Conn.
123 patents
- May Patents ◀
May Patents Ltd.
123 patents
- ARM IP
ARM IP Limited
122 patents
- Anker Innovations…
Anker Innovations Technology Co., Ltd.
122 patents
What this shows May holds 123 patents at rank #3,085, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near May
By rank, the assignees closest to #3,085 in granted patent volume.
- Headwater Research LLC #3,081 · 123 patents
- Knorr-bremse Systeme FÜR Schienenfahrzeuge GMBH #3,082 · 123 patents
- Lifetime Products, Inc. #3,083 · 123 patents
- MPI Corporation #3,084 · 123 patents
- Soraa, Inc. #3,086 · 123 patents
- W.R. Grace & Co.-Conn. #3,087 · 123 patents
- ARM IP Limited #3,088 · 122 patents
- Anker Innovations Technology Co., Ltd. #3,089 · 122 patents
Leaders in H04L (Transmission OF Digital Information)
Other assignees with the most granted patents in May's primary technology class.
- International Business Machines Corporation 15,969 in class
- Qualcomm Incorporated 13,594 in class
- Huawei Technologies Co., Ltd. 11,697 in class
- Samsung Electronics Co., Ltd. 10,543 in class
- LG Electronics Inc. 9,062 in class
- Telefonaktiebolaget LM Ericsson (Publ) 8,543 in class
- Cisco Technology, Inc. 7,502 in class
- Microsoft Technology Licensing, LLC 7,301 in class
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for May, neither rank-band nor same-CPC leaders (those blocks stay above). In H04L (Transmission OF Digital Information), May ranks #440 of 8,956 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (60 here).
Similar claim depth
Nearest assignees by average claims per patent (47.8 here).
May's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
60 Top 3% higher than 97% of 49,997 US assignees
Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025
Grants by year
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
View data table
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 4 | 3.3% |
| 2017 | 10 | 8.1% |
| 2018 | 5 | 4.1% |
| 2019 | 5 | 4.1% |
| 2020 | 14 | 11.4% |
| 2021 | 21 | 17.1% |
| 2022 | 19 | 15.4% |
| 2023 | 14 | 11.4% |
| 2024 | 16 | 13.0% |
| 2025partial year | 15 | 12.2% |
Which technologies does May Patents Ltd. patent most?
Top 15 of 33 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
May Patents Ltd.'s patent record in context - here's where to go next.
- May Patents Ltd.'s lead technology class is H04L (Transmission OF Digital Information, e.g. Telegraphic Communication), 69.1% of its portfolio - see every assignee active in that class. Explore H04L
- Ranked #3,084 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare May Patents Ltd. against Headwater Research LLC, an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 60.1/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated
Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.
Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.