Where does CathRx Ltd rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), CathRx Ltd ranks #14,520 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 CathRx Ltd hold?

CathRx Ltd holds 20 US utility patents granted between 2015 and 2020, spanning 6 technology areas.

What is CathRx Ltd's Innovation Score?

CathRx Ltd has an Innovation Score of 29.9 out of 100 (32nd 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 CathRx Ltd focus on?

CathRx Ltd's top technology area is A61B (DIAGNOSIS; SURGERY; Identification) with 16 patents, ranking #1,103 of 7,127 assignees active in that subclass. Grants appear in 6 CPC subclasses total.

Is CathRx Ltd's patent grant rate increasing or decreasing?

CathRx Ltd's recent grant velocity is -89% 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 CathRx Ltd's patents?

CathRx Ltd's patents average 17.9 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 CathRx Ltd 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

CathRx Ltd

USPTO PatentsView assignee record - 20 granted patents across 6 technology areas, recorded in grant years 2015–2020. 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: A61B (DIAGNOSIS; SURGERY; Identification).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Cathrx ranks #14,520 of 49,997 tracked US assignees by granted-patent volume, with 20 patents across 6 technology areas.

#14,520
of 49,997 US assignees by volume: 32nd percentile
by Innovation Score (29.9/100): 17.9
avg claims per patent: -89%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R14520 · Foreign Corporation #14,520 · 20 grants

GRANTS-SMALL · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 20 grants
MID-PACK #14,520/49,997
PHOTO-FINISH Canoe Ventures
CPC-NARROW A61B · 6 areas
INNOV-THIN 29.9/100
CLAIMS-RICH 17.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -89% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Canoe Ventures, 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 Cathrx’s 29.9 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 10.5 pts (35%) Velocity 0.0 pts (0%) Breadth 8.7 pts (29%) Claim depth 10.7 pts (36%)

Qualcomm Incorporated · highest

85
CathRx · this assignee

30
3D Lighting… · lowest

7

What this shows Cathrx's Innovation Score is 29.9/100 (32nd 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.

Does more volume mean deeper claims for Cathrx?

Each dot is one of Cathrx’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). Cathrx’s own 17.9 claims/patent is ABOVE the 12.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Cathrx vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Cathrx's grants concentrate

CathRx Ltd is a focused PatentsView assignee: 6 CPC subclasses with 80% of grants classified under A61B (DIAGNOSIS; SURGERY; Identification). Peak complete grant year is 2015 (6 grants) versus a trough of 2 in 2018. By volume, Cathrx sits between Canoe Ventures, LLC and China Petrochemical Development Corporation.

Canoe Ventures

20
Canplas Industries

20
Carefree/Scott Fe…

20
Carrier Japan

20
Centre Hospitalie…

20
Ceratizit Austria…

20
Chemistry Design…

20
China Petrochemic…

20
Cathrx ◀

20

What this shows CathRx holds 20 patents at rank #14,538, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near CathRx

By rank, the assignees closest to #14,538 in granted patent volume.

Leaders in A61B (Diagnosis)

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

Cathrx's Innovation Score vs. every tracked assignee

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

30 32nd percentile higher than 32% 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 · 2015–2020

Grants by year

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

View data table

CathRx Ltd patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	6	30.0%
2016	4	20.0%
2017	4	20.0%
2018	2	10.0%
2019	2	10.0%
2020	2	10.0%

Which technologies does CathRx Ltd patent most?

A61B - DIAGNOSIS; SURGERY; Identification 16

A61M - Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor 16

A61N - ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy 6

Y10T - Technical Subjects Covered BY Former US Classification 4

H01R - Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors 2

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 1

Top 6 of 6 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

CathRx Ltd's patent record in context - here's where to go next.

CathRx Ltd's lead technology class is A61B (DIAGNOSIS; SURGERY; Identification), 80% of its portfolio - see every assignee active in that class. Explore A61B
Ranked #14,520 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare CathRx Ltd against Canoe Ventures, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 29.9/100 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.