Where does ProPhotonix Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), ProPhotonix Limited ranks #49,804 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 ProPhotonix Limited hold?

ProPhotonix Limited holds 5 US utility patents granted between 2017 and 2019, spanning 10 technology areas.

What is ProPhotonix Limited's Innovation Score?

ProPhotonix Limited has an Innovation Score of 25.9 out of 100 (19th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

ProPhotonix 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 ProPhotonix Limited's patents?

ProPhotonix Limited's patents average 14.2 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 ProPhotonix 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 US Corporation

ProPhotonix Limited

Q: What technology areas does ProPhotonix Limited focus on?

ProPhotonix Limited's top technology area is F21Y (Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted) with 4 patents, ranking #460 of 1,359 assignees active in that subclass. Grants appear in 10 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 10 technology areas, recorded in grant years 2017–2019. 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: F21Y (Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Prophotonix ranks #49,804 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 10 technology areas.

#49,804
of 49,997 US assignees by volume: 19th percentile
by Innovation Score (25.9/100): 14.2
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R49804 · US Corporation #49,804 · 5 grants

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

GRANTS-MICRO 5 grants
BOTTOM-DECILE #49,804/49,997
PHOTO-FINISH Pro-lroda Industries
CPC-FOCUS F21Y · 10 areas
INNOV-THIN 25.9/100
CLAIMS-RICH 14.2 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Pro-lroda Industries, 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.

How Prophotonix’s 25.9 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 6.2 pts (24%) Velocity 0.0 pts (0%) Breadth 11.2 pts (43%) Claim depth 8.5 pts (33%)

Qualcomm Incorporated · highest

85
Cateye · near

26
Github · near

26
ProPhotonix · this assignee

26
Bonvi Water · near

26
Anchor Packaging · near

26
3D Lighting… · lowest

7

What this shows Prophotonix's Innovation Score is 25.9/100 (19th 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 Prophotonix?

Each dot is one of Prophotonix’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). Prophotonix’s own 14.2 claims/patent is ABOVE the 14.0 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Prophotonix's grants concentrate

ProPhotonix Limited is a focused PatentsView assignee: 10 CPC subclasses with 80% of grants classified under F21Y (Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted). Peak complete grant year is 2019 (4 grants) versus a trough of 1 in 2017. By volume, Prophotonix sits between Pro-Troll Inc. and Product Design Innovations, LLC.

Pro-troll

5
Pro-lroda Industr…

5
Proampac Intermed…

5
Proarc Medical

5
Procolored Techno…

5
Procomcure Biotech

5
Procraft Developm…

5
Product Design In…

5
Prophotonix ◀

5

What this shows ProPhotonix holds 5 patents at rank #49,823, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near ProPhotonix

By rank, the assignees closest to #49,823 in granted patent volume.

Leaders in F21Y (Indexing Scheme Associated With Subclasses F21k)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for ProPhotonix, neither rank-band nor same-CPC leaders (those blocks stay above). In F21Y (Indexing Scheme Associated With Subclasses F21k), ProPhotonix ranks #460 of 1,359 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (26 here).

Github, Inc. 26 Cateye Co., Ltd. 26 Bonvi Water, Inc. 26 Anchor Packaging, LLC 26

Prophotonix's Innovation Score vs. every tracked assignee

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

26 19th percentile higher than 19% 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 · 2017–2019

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

ProPhotonix Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	20.0%
2019	4	80.0%

Which technologies does ProPhotonix Limited patent most?

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 4

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 4

G02B - Optical Elements, Systems OR Apparatus 3

G01J - Measurement OF Intensity, Velocity, Spectral Content, Polarisation, Phase OR Pulse Characteristics OF Infrared, Visible OR Ultraviolet LIGHT; COLORIMETRY; Radiation Pyrometry 3

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 2

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 2

F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors 1

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 1

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 1

H04N - Pictorial Communication, e.g. Television 1

Top 10 of 10 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

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

ProPhotonix Limited's lead technology class is F21Y (Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted), 80% of its portfolio - see every assignee active in that class. Explore F21Y
Ranked #49,804 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare ProPhotonix Limited against Pro-Troll Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 25.9/100 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.