Where does Purdue Pharma L.P. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Purdue Pharma L.P. ranks #1,167 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 Pharma L.P. hold?

Purdue Pharma L.P. holds 365 US utility patents granted between 2015 and 2025, spanning 29 technology areas.

What is Purdue Pharma L.P.'s Innovation Score?

Purdue Pharma L.P. has an Innovation Score of 57.5 out of 100 (top 5% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Purdue Pharma L.P. focus on?

Purdue Pharma L.P.'s top technology area is A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations) with 321 patents, ranking #35 of 6,058 assignees active in that subclass. Grants appear in 29 CPC subclasses total.

Is Purdue Pharma L.P.'s patent grant rate increasing or decreasing?

Purdue Pharma L.P.'s recent grant velocity is -81% 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 Purdue Pharma L.P.'s patents?

Purdue Pharma L.P.'s patents average 23.4 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 Pharma L.P. 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 Pharma L.P.

USPTO PatentsView assignee record - 365 granted patents across 29 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: A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Purdue ranks #1,167 of 49,997 tracked US assignees by granted-patent volume, with 365 patents across 29 technology areas.

#1,167
of 49,997 US assignees by volume: Top 5%
by Innovation Score (57.5/100): 23.4
avg claims per patent: -81%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1167 · US Corporation #1,167 · 365 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-DENSE · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MID 365 grants
TOP-DECILE #1,167/49,997
PHOTO-FINISH Dish Wireless L L C
CPC-FOCUS A61P · 29 areas
INNOV-PAR 57.5/100
CLAIMS-DENSE 23.4 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -81% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Dish Wireless L.L.C. (±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 Purdue’s 57.5 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 20.4 pts (36%) Velocity 4.0 pts (7%) Breadth 19.0 pts (33%) Claim depth 14.0 pts (24%)

Qualcomm Incorporated · highest

85
Bell Helicopter… · near

57
Fujikin Incorporated · near

57
General Mills · near

57
Purdue Pharma · this assignee

57
Safran Helicopter… · near

57
3D Lighting… · lowest

7

What this shows Purdue's Innovation Score is 57.5/100 (top 5% 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 Purdue?

Each dot is one of Purdue’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). Purdue’s own 23.4 claims/patent is ABOVE the 15.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Purdue's grants concentrate

Purdue Pharma L.P. is a focused PatentsView assignee: 29 CPC subclasses with 87.9% of grants classified under A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations). Peak complete grant year is 2015 (70 grants) versus a trough of 5 in 2021. By volume, Purdue sits between City of Hope and Fenwal, Inc..

Purdue's three-year grant acceleration

From 2019–2021 to 2022–2024, Purdue Pharma L.P. moved from 55 to 33 grants (0.60x 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 #2,443. See the growth leaderboard.

City of Hope

366
Dish Wireless L L…

365
Gojo Industries

365
HFI Innovation

365
Purdue Pharma ◀

365
Excalibur IP

364
Karl Storz SE & KG

364
Ability Opto- Tec…

363
Fenwal

363

What this shows Purdue holds 365 patents at rank #1,167, 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 #1,167 in granted patent volume.

Leaders in A61P (Specific Therapeutic Activity OF Chemical Compounds OR Me…)

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). In A61P (Specific Therapeutic Activity OF Chemical Compounds OR Me…), Purdue ranks #35 of 6,058 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (57 here).

General Mills, Inc. 57 Fujikin Incorporated 57 Bell Helicopter Textron Inc. 57 Safran Helicopter Engines 57

Similar claim depth

Nearest assignees by average claims per patent (23.4 here).

Luminar Technologies, Inc. 23.4 avg Arena Pharmaceuticals, Inc. 23.4 avg Insightec Ltd. 23.4 avg GE Video Compression, LLC 23.4 avg

Purdue's Innovation Score vs. every tracked assignee

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

57 Top 5% higher than 95% 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 Pharma L.P. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	70	19.2%
2016	66	18.1%
2017	69	18.9%
2018	61	16.7%
2019	31	8.5%
2020	19	5.2%
2021	5	1.4%
2022	11	3.0%
2023	8	2.2%
2024	14	3.8%
2025partial year	11	3.0%

Which technologies does Purdue Pharma L.P. patent most?

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 321

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 274

C07D - Heterocyclic Compounds 119

A61J - Containers Specially Adapted FOR Medical OR Pharmaceutical PURPOSES; Devices OR Methods Specially Adapted FOR Bringing Pharmaceutical Products Into Particular Physical OR Administering FORMS; Devices FOR Administering Food OR Medicines ORALLY; Baby COMFORTERS; Devices FOR Receiving Spittle 64

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 34

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 34

B29K - Indexing Scheme Associated With Subclasses B29b, B29c OR B29d, Relating TO Moulding Materials OR TO Materials FOR ; Moulds, ; Reinforcements, Fillers OR Preformed Parts, e.g. Inserts 34

B29B - Preparation OR Pretreatment OF THE Material TO BE SHAPED; Making Granules OR PREFORMS; Recovery OF Plastics OR Other Constituents OF Waste Material Containing Plastics 33

C07B - General Methods OF Organic CHEMISTRY; Apparatus Therefor 22

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 9

C07K - Peptides 9

C07C - Acyclic OR Carbocyclic Compounds 7

Y02A - Technologies FOR Adaptation TO Climate Change 6

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 5

G06Q - Information AND Communication Technology [ICT] Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory PURPOSES; Systems OR Methods Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory Purposes, NOT Otherwise Provided FOR 4

Top 15 of 29 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

Purdue Pharma L.P.'s patent record in context - here's where to go next.

Purdue Pharma L.P.'s lead technology class is A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations), 87.9% of its portfolio - see every assignee active in that class. Explore A61P
Ranked #1,167 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Purdue Pharma L.P. against City of Hope, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 57.5/100 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.