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CPC technology class · A61

A61P - Specific Therapeutic Activity Of Chemical Compounds Or Me…

Specific therapeutic activity of chemical compounds or medicinal preparations. 125,535 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

125,535
US patents granted
#3/13
in A61
19.4%
A61 class share
-10%
5-yr velocity

The verdict

According to USPTO PatentsView, Specific Therapeutic Activity Of Chemical Compounds Or Me… ranks #10 of 670 CPC technology areas - 125,535 US patents granted since 2015, with recorded grant volume down 10% over five years.

#10
of 670 CPC technology areas
125,535
US patents granted, 2015–2025
The Regents of the…
leading assignee (1,387)
-10%
grant velocity, last 5 yrs

How A61P's grant cadence moved

Between 2020–2024, A61P recorded 48,649 grants versus 53,913 in 2015–2019 (-10% equal-window velocity). Across complete years, output peaked in 2015 at 11,552 grants and bottomed in 2023 at 8,338 (+39% peak-over-trough). Lead assignee The Regents of the University of California holds 1.1% of the class ; the top three share 2.7%.

Leaderboard read

A61P concentration, lead at 1.1%

The Regents of the University of California leads this historical grant record at 1.1% of A61P - us corporation assignees hold 54% of class grants (57,760 of 106,146). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
1.1%

1,387 of 125,535 grants

Top three share
2.7%

of the class's recorded grants

Lead over #2
316

more grants than Novartis AG

Where A61P sits inside A61

Among 13 subclasses in A61 (Medical OR Veterinary SCIENCE; Hygiene), A61P ranks #3 and holds 19.4% of the parent class's 646,867 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

A61B 162,009 A61K 151,067 A61M 57,639 A61F 50,959 A61N 30,889 A61L 25,308 A61Q 14,001 A61C 8,164

Rising assignees active in A61P

Company-wide grant multiples (2022–2024 vs 2019–2021) among assignees with ≥5 patents in this subclass. Growth is company-wide; class patent counts are subclass-specific.

  1. #1 King Faisal University 125x 6 → 747 company-wide · 435 in A61P
  2. #2 Solventum Intellectual Properties Company 88x 0 → 88 company-wide · 7 in A61P
  3. #3 Sumitomo Pharma Co., Ltd. 49x 0 → 49 company-wide · 52 in A61P
  4. #4 Fred Hutchinson Cancer Center 45x 0 → 45 company-wide · 28 in A61P
  5. #5 CureVac SE 39x 0 → 39 company-wide · 39 in A61P

A61P grants by year, peak 2015 (11,552)

US utility-patent grants per year in A61P, 2015–2025 - recent five years are down 10% versus 2015–2019.

6,0007,0008,0009,00010,00011,00012,000 20152016201720182019202020212022202320242025 7,040

Who leads A61P?

The 12 most active assignees in Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations - wider bars mean more grants

patents

What this shows The Regents of the… is the most active filer in A61P, holding 1,387 of the 125,535 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
View data table
Top patent holders in CPC subclass A61P
Rank Company Patents in A61P
#1 The Regents of the University of California 1,387
#2 Novartis AG 1,071
#3 Merck Sharp & Dohme LLC 889
#4 Bristol-Myers Squibb Company 879
#5 Genentech, Inc. 789
#6 The Board of Regents of the University of Texas System 744
#7 Hoffmann-La Roche Inc. 722
#8 The United States of America, as represented by the Secretary, Department of Health and Human Services 721
#9 Immatics Biotechnologies GmbH 651
#10 Centre National DE LA Recherche Scientifique 633
#11 Incyte Corporation 605
#12 The Trustees of the University of Pennsylvania 594
#13 Janssen Pharmaceuticals, Inc. 592
#14 Pfizer Inc. 549
#15 THE Johns Hopkins University 544
#16 Takeda Pharmaceutical Company Limited 535
#17 Regeneron Pharmaceuticals, Inc. 529
#18 Dana-farber Cancer Institute, Inc. 493
#19 Gilead Sciences, Inc. 492
#20 The Board of Trustees of the Leland Stanford Junior University 485

Footprint here vs. claim strategy

Each dot is a leading A61P assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.

Top 14 A61P assignees by class footprint. Bubble size = patents in A61P. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 1015202530 4006008001000120014001600 Patents in A61P Avg claims / patent (company-wide) The Regents of the…NovartisMerck Sharp & DohmeBristol-myers SquibbGenentechThe Board of Regents…Hoffmann-la RocheThe United States of…Immatics Biotechnologi…Centre National De La…IncyteThe Trustees of the…Janssen Pharmaceutical…Pfizer
Top 14 A61P assignees by class footprint. Bubble size = patents in A61P. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near A61P's 125,535-grant footprint

Nationwide nearest neighbors for A61P (#10 of 670 by volume ; lead share 1.1%) - not the A61 parent-class siblings above.

Nearest by grant volume

Y02E 125,003 G06T 131,672 G01N 115,972 G02B 115,576

Nearest by lead-assignee share

C07B 1.1% Y02A 1.1% F16L 1.1% E02D 1.0%

Questions about A61P

Which company holds the most patents in A61P?
The Regents of the University of California leads A61P with 1,387 patents (1.1% of the subclass). By PatentsView assignee type, us corporations account for 54% of class grants.
Which A61P assignees grew fastest recently?
Among assignees with ≥5 grants in A61P, King Faisal University shows the highest company-wide grant multiple (125x: 6 grants in 2019–2021 → 747 in 2022–2024) while holding 435 patents in this subclass. Growth is company-wide, not class-only.
How does A61P compare inside parent class A61?
Inside A61 (Medical OR Veterinary SCIENCE; Hygiene), A61P ranks #3 of 13 subclasses by grant volume and holds 19.4% of the parent class total. The largest sibling is A61B (162,009 grants).

What to do with this data

A61P in context - here's where to go next.

  • The Regents of the University of California leads A61P with 1,387 grants in this class. See full portfolio
  • A61P ranks #10 of 670 by grant volume among all tracked CPC technology areas. See the ranking
  • Inside parent class A61, the largest sibling subclass is A61B with 162,009 grants. Explore A61B

Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.

Methodology - A61P figures are USPTO PatentsView granted-utility totals for this subclass (125,535 grants in the tracked window).

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.