PlainPatent

CPC technology class · C07

C07K - Peptides

Peptides. 58,046 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

58,046
US patents granted
#1/8
in C07
33.0%
C07 class share
+8%
5-yr velocity

The verdict

According to USPTO PatentsView, Peptides ranks #25 of 670 CPC technology areas - 58,046 US patents granted since 2015, with recorded grant volume up 8% over five years.

#25
of 670 CPC technology areas
58,046
US patents granted, 2015–2025
The Regents of the…
leading assignee (894)
+8%
grant velocity, last 5 yrs

How C07K's grant cadence moved

Between 2020–2024, C07K recorded 23,908 grants versus 22,110 in 2015–2019 (+8% equal-window velocity). Across complete years, output peaked in 2020 at 5,096 grants and bottomed in 2015 at 4,169 (+22% peak-over-trough). Lead assignee The Regents of the University of California holds 1.5% of the class ; the top three share 4.1%.

Leaderboard read

C07K concentration, lead at 1.5%

The Regents of the University of California leads this historical grant record at 1.5% of C07K - us corporation assignees hold 56% of class grants (27,923 of 49,429). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
1.5%

894 of 58,046 grants

Top three share
4.1%

of the class's recorded grants

Lead over #2
70

more grants than Regeneron Pharmaceuticals, Inc.

Where C07K sits inside C07

Among 8 subclasses in C07 (Organic Chemistry), C07K ranks #1 and holds 33.0% of the parent class's 176,064 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

C07D 54,914 C07C 32,521 C07F 14,249 C07B 8,058 C07H 6,464 C07J 1,454 C07G 358

Rising assignees active in C07K

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 Sumitomo Pharma Co., Ltd. 49x 0 → 49 company-wide · 12 in C07K
  2. #2 Fred Hutchinson Cancer Center 45x 0 → 45 company-wide · 40 in C07K
  3. #3 CureVac SE 39x 0 → 39 company-wide · 21 in C07K
  4. #4 Seed Health, Inc. 24x 0 → 24 company-wide · 6 in C07K
  5. #5 2seventy bio, Inc. 19x 0 → 19 company-wide · 19 in C07K

C07K grants by year, peak 2020 (5,096)

US utility-patent grants per year in C07K, 2015–2025 - recent five years are up 8% versus 2015–2019.

3,5004,0004,5005,0005,500 20152016201720182019202020212022202320242025 3,759

Who leads C07K?

The 12 most active assignees in Peptides - wider bars mean more grants

patents

What this shows The Regents of the… is the most active filer in C07K, holding 894 of the 58,046 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 C07K
Rank Company Patents in C07K
#1 The Regents of the University of California 894
#2 Regeneron Pharmaceuticals, Inc. 824
#3 Immatics Biotechnologies GmbH 678
#4 Genentech, Inc. 565
#5 The United States of America, as represented by the Secretary, Department of Health and Human Services 513
#6 The Trustees of the University of Pennsylvania 501
#7 Novartis AG 407
#8 The Board of Trustees of the Leland Stanford Junior University 400
#9 Centre National DE LA Recherche Scientifique 376
#10 Bristol-Myers Squibb Company 376
#11 Hoffmann-La Roche Inc. 357
#12 The Board of Regents of the University of Texas System 354
#13 Amgen Inc. 353
#14 President and Fellows of Harvard College 327
#15 Massachusetts Institute of Technology 278
#16 MedImmune Limited 264
#17 The General Hospital Corporation 249
#18 Janssen Biotech, Inc. 247
#19 Dana-farber Cancer Institute, Inc. 244
#20 Chugai Seiyaku Kabushiki Kaisha 238

Footprint here vs. claim strategy

Each dot is a leading C07K 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 C07K assignees by class footprint. Bubble size = patents in C07K. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 141618202224 2004006008001000 Patents in C07K Avg claims / patent (company-wide) The Regents of the…Regeneron Pharmaceutic…Immatics Biotechnologi…GenentechThe United States of…The Trustees of the…NovartisThe Board of Trustees…Centre National De La…Bristol-myers SquibbHoffmann-la RocheThe Board of Regents…AmgenPresident and Fellows…
Top 14 C07K assignees by class footprint. Bubble size = patents in C07K. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near C07K's 58,046-grant footprint

Nationwide nearest neighbors for C07K (#25 of 670 by volume ; lead share 1.5%) - not the C07 parent-class siblings above.

Nearest by grant volume

A61M 57,639 C07D 54,914 G11C 53,783 G01R 53,716

Nearest by lead-assignee share

B01L 1.6% Y02W 1.6% C07H 1.5% A61L 1.5%

Questions about C07K

Which company holds the most patents in C07K?
The Regents of the University of California leads C07K with 894 patents (1.5% of the subclass). By PatentsView assignee type, us corporations account for 56% of class grants.
Which C07K assignees grew fastest recently?
Among assignees with ≥5 grants in C07K, Sumitomo Pharma Co., Ltd. shows the highest company-wide grant multiple (49x: 0 grants in 2019–2021 → 49 in 2022–2024) while holding 12 patents in this subclass. Growth is company-wide, not class-only.
How does C07K compare inside parent class C07?
Inside C07 (Organic Chemistry), C07K ranks #1 of 8 subclasses by grant volume and holds 33.0% of the parent class total. The largest sibling is C07D (54,914 grants).

What to do with this data

C07K in context - here's where to go next.

  • The Regents of the University of California leads C07K with 894 grants in this class. See full portfolio
  • C07K ranks #25 of 670 by grant volume among all tracked CPC technology areas. See the ranking
  • Inside parent class C07, the largest sibling subclass is C07D with 54,914 grants. Explore C07D

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

Methodology - C07K figures are USPTO PatentsView granted-utility totals for this subclass (58,046 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.