PlainPatent

CPC technology class · C07

C07K - Peptides

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

58,046
US patents granted
C07
Parent CPC class
20
Active assignees
+25%
5-yr velocity

The verdict

Peptides ranks #25 of 670 CPC technology areas - 58,046 US patents granted since 2015, with filing up 25% over five years.

#25
of 670 CPC technology areas
58,046
US patents granted, 2015–2025
The Regents of the Un…
leading assignee (894)
+25%
filing velocity, last 5 yrs
Top assignee: The Regents Of The University Of California (894 patents)

CPC subclass C07K - PEPTIDES - covers 58,046 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class C07 (ORGANIC CHEMISTRY). See our CPC classification guide for how the system works.

The competitive landscape in C07K is shaped by 20 distinct companies actively filing in this space. The Regents Of The University Of California leads with 894 patents, followed by Regeneron Pharmaceuticals, Inc. at 824 grants and Immatics Biotechnologies Gmbh at 678.

Filing activity in C07K is up 25% over the past five years versus 2015-2019, a sharp acceleration suggesting an emerging or fast-moving technology area. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is C07K innovation accelerating?

US utility-patent grants per year in C07K, 2015–2025 - recent five years are up 25% 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 Un… 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

About This Class

CPC subclass C07K belongs to class C07.

58,046 patents were granted in this class between 2015 and 2025.

20 companies actively patent in this space.

Classification System

Cooperative Patent Classification (CPC) is a hierarchical patent classification system used by the USPTO and EPO.

← All Technology Classes Technology Rankings →

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).

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 Un…Regeneron Pharmaceuti…Immatics Biotechnolog…GenentechThe United States of…The Trustees of the U…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).

Frequently Asked Questions

What is CPC class C07K?
CPC subclass C07K covers PEPTIDES. It belongs to CPC class C07 (ORGANIC CHEMISTRY), with 58,046 US utility patents granted since 2015.
How many patents have been filed in C07K?
58,046 US utility patents were granted in CPC subclass C07K between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in C07K?
The Regents Of The University Of California leads C07K with 894 patents, making it the most active assignee in this technology area.
How is patent data for C07K collected?
Patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office. It covers all US granted utility patents and assigns CPC codes based on the technology described in each patent.
What is the difference between CPC class and subclass?
A CPC class (e.g., C07) is a broad technology category. Subclasses like C07K provide finer granularity within that category. PlainPatent organizes data at the subclass level (4-character codes) for the most useful view of technology domains.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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.