Where does Purdue Research Foundation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Purdue Research Foundation ranks #251 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 Purdue Research Foundation hold?

Purdue Research Foundation holds 1,690 US utility patents granted between 2015 and 2025, spanning 326 technology areas.

What is Purdue Research Foundation's Innovation Score?

Purdue Research Foundation has an Innovation Score of 67.4 out of 100 (top 1% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Purdue Research Foundation's patent grant rate increasing or decreasing?

Purdue Research Foundation's recent grant velocity is +56% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Purdue Research Foundation's patents?

Purdue Research Foundation's patents average 14.9 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 Purdue Research Foundation 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

Purdue Research Foundation

Q: What technology areas does Purdue Research Foundation focus on?

Purdue Research Foundation's top technology area is G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties) with 297 patents. Grants appear in 326 CPC subclasses total.

USPTO PatentsView assignee record - 1,690 granted patents across 326 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: G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Purdue ranks #251 of 49,997 tracked US assignees by granted-patent volume, with 1,690 patents across 326 technology areas.

#251
of 49,997 US assignees by volume: Top 1%
by Innovation Score (67.4/100): 14.9
avg claims per patent: +56%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R251 · US Corporation #251 · 1,690 grants

GRANTS-LARGE · TOP-DECILE · NEAR-PEER · CPC-BROAD · INNOV-STRONG · CLAIMS-RICH · TYPE-USCORP · VEL-SURGE · BOOK-FULL

GRANTS-LARGE 1.7K grants
TOP-DECILE #251/49,997
NEAR-PEER Intuit
CPC-BROAD G01N · 326 areas
INNOV-STRONG 67.4/100
CLAIMS-RICH 14.9 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +56% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Intuit Inc. (±6 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
Beijing Zitiao… · near

67
Here Global B V · near

67
Purdue Research… · this assignee

67
Alcon · near

67
Industry Academy… · near

67
3D Lighting… · lowest

7

What this shows Purdue's Innovation Score is 67.4/100 (top 1% 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.

How Purdue's grant cadence moved

Between 2020–2024, Purdue Research Foundation received 962 grants versus 617 in 2015–2019 (+56% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2024 at 210 grants and bottomed in 2017 at 108. Lead class G01N accounts for 17.6% of the portfolio across 326 subclasses. Volume neighbours: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. (#247) and THE Regents OF THE University OF Michigan (#255).

Purdue's three-year grant acceleration

From 2019–2021 to 2022–2024, Purdue Research Foundation moved from 512 to 599 grants (1.17x 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 #839. See the growth leaderboard.

Wuhan China Star…

1,717
HTC

1,709
Kawasaki Jukogyo

1,705
Gopro

1,698
Purdue Research F… ◀

1,690
Intuit

1,684
Rockwell Collins

1,679
Rockwell Automati…

1,672
THE Regents OF TH…

1,666

What this shows Purdue holds 1,690 patents at rank #251, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Purdue

By rank, the assignees closest to #251 in granted patent volume.

Leaders in G01N (Investigating OR Analysing Materials BY Determining Their…)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Purdue, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (67 here).

Here Global B.V. 67 Beijing Zitiao Network Technology Co., Ltd. 67 Alcon Inc. 67 Industry Academy Cooperation Foundation Of Sejong University 67

Similar claim depth

Nearest assignees by average claims per patent (14.9 here).

University of South Florida 14.9 avg Schreder S.A. 14.9 avg Zhejiang Hisun Pharmaceutical Co., Ltd. 14.9 avg BorgWarner Inc. 14.9 avg

Purdue's Innovation Score vs. every tracked assignee

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

67 Top 1% higher than 99% 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 · 2015–2025

Grants by year

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

View data table

Purdue Research Foundation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	114	6.7%
2016	114	6.7%
2017	108	6.4%
2018	132	7.8%
2019	149	8.8%
2020	188	11.1%
2021	175	10.4%
2022	190	11.2%
2023	199	11.8%
2024	210	12.4%
2025partial year	111	6.6%

Which technologies does Purdue Research Foundation patent most?

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 297

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 235

H01J - Electric Discharge Tubes OR Discharge Lamps 170

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 151

G06F - Electric Digital Data Processing 144

C07D - Heterocyclic Compounds 142

A61B - DIAGNOSIS; SURGERY; Identification 105

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 99

C07K - Peptides 98

G06T - Image Data Processing OR Generation, IN General 93

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 92

G02B - Optical Elements, Systems OR Apparatus 81

B82Y - Specific Uses OR Applications OF NANOSTRUCTURES; Measurement OR Analysis OF NANOSTRUCTURES; Manufacture OR Treatment OF Nanostructures 76

C07C - Acyclic OR Carbocyclic Compounds 71

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 58

Top 15 of 326 technology areas

Where it ranks

Overall rank by patents

#251

of 49,997 tracked assignees

Innovation Score

67.4 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

Purdue Research Foundation's patent record in context - here's where to go next.

Purdue Research Foundation's lead technology class is G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties), 17.6% of its portfolio - see every assignee active in that class. Explore G01N
Ranked #251 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Purdue Research Foundation against Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 67.4/100 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.