Where does Checkmate Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Checkmate Limited ranks #45,607 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Checkmate Limited hold?

Checkmate Limited holds 5 US utility patents granted between 2015 and 2018, spanning 6 technology areas.

What is Checkmate Limited's Innovation Score?

Checkmate Limited has an Innovation Score of 25.4 out of 100 (17th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Checkmate Limited focus on?

Checkmate Limited's top technology area is A62B (Devices, Apparatus OR Methods FOR Life-saving) with 4 patents. Grants appear in 6 CPC subclasses total.

Is Checkmate Limited's patent grant rate increasing or decreasing?

Checkmate Limited's recent grant velocity is -100% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Checkmate Limited's patents?

Checkmate Limited's patents average 17.6 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Checkmate Limited patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Checkmate Limited

USPTO PatentsView assignee record - 5 granted patents across 6 technology areas, recorded in grant years 2015–2018. 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: A62B (Devices, Apparatus OR Methods FOR Life-saving).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Checkmate ranks #45,607 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 6 technology areas.

#45,607
of 49,997 US assignees by volume: 17th percentile
by Innovation Score (25.4/100): 17.6
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R45607 · Foreign Corporation #45,607 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #45,607/49,997
PHOTO-FINISH Chaperone Therapeutics
CPC-NARROW A62B · 6 areas
INNOV-THIN 25.4/100
CLAIMS-RICH 17.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Chaperone Therapeutics, Inc. (±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.

Qualcomm Incorporated · highest

85
Checkmate · this assignee

25
3D Lighting… · lowest

7

What this shows Checkmate's Innovation Score is 25.4/100 (17th percentile 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.

Where Checkmate's grants concentrate

Checkmate Limited is a focused PatentsView assignee: 6 CPC subclasses with 80% of grants classified under A62B (Devices, Apparatus OR Methods FOR Life-saving). Peak complete grant year is 2015 (2 grants) versus a trough of 1 in 2018. By volume, Checkmate sits between Chaperone Therapeutics, Inc. and Chem Optics Inc.

Chaperone Therape…

5
Charabot

5
Charles Austen Pu…

5
Charles Viancin G…

5
Checkmate Pharmac…

5
Checkpoint

5
Chekt

5
Chem Optics

5
Checkmate ◀

5

What this shows Checkmate holds 5 patents at rank #45,510, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Checkmate

By rank, the assignees closest to #45,510 in granted patent volume.

Leaders in A62B (Devices)

Other assignees with the most granted patents in Checkmate's primary technology class.

Checkmate's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

25 17th percentile higher than 17% 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

USPTO utility patent grants by year · 2015–2018

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Checkmate Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	40.0%
2016	2	40.0%
2018	1	20.0%

Which technologies does Checkmate Limited patent most?

A62B - Devices, Apparatus OR Methods FOR Life-saving 4

F03B - Machines OR Engines FOR Liquids 1

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 1

F05B - Indexing Scheme Relating TO Wind, Spring, Weight, Inertia OR Like Motors, TO Machines OR Engines FOR Liquids Covered BY Subclasses F03b, F03d AND F03g 1

B65H - Handling Thin OR Filamentary Material, e.g. Sheets, Webs, Cables 1

E04G - SCAFFOLDING; FORMS; SHUTTERING; Building Implements OR Aids, OR Their USE; Handling Building Materials ON THE SITE; Repairing, Breaking-up OR Other Work ON Existing Buildings 1

Top 6 of 6 technology areas

Where it ranks

Overall rank by patents

#45,607

of 49,997 tracked assignees

Innovation Score

25.4 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Checkmate Limited's patent record in context - here's where to go next.

Checkmate Limited's lead technology class is A62B (Devices, Apparatus OR Methods FOR Life-saving), 80% of its portfolio - see every assignee active in that class. Explore A62B
Ranked #45,607 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Checkmate Limited against Chaperone Therapeutics, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 25.4/100 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.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent, US Patent Intelligence Editorial Process · May 15, 2026

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.