PlainPatent

CPC technology class · A01

A01N - Preservation OF Bodies OF Humans OR Animals OR Plants OR…

Preservation of bodies of humans or animals or plants or parts thereof ; biocides, e.g. as disinfectants, as pesticides or as herbicides ; pest repellants or attractants; plant growth regulators. 13,786 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

13,786
US patents granted
A01
Parent CPC class
20
Active assignees
-3%
5-yr velocity

The verdict

Preservation OF Bodies OF Humans OR Animals OR Plants OR… ranks #140 of 670 CPC technology areas - 13,786 US patents granted since 2015, with filing down 3% over five years.

#140
of 670 CPC technology areas
13,786
US patents granted, 2015–2025
Basf Se
leading assignee (420)
-3%
filing velocity, last 5 yrs
Top assignee: BASF SE (420 patents)

CPC subclass A01N - PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF ; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES ; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS - covers 13,786 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class A01 (AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING). See our CPC classification guide for how the system works.

The competitive landscape in A01N is shaped by 20 distinct companies actively filing in this space. BASF SE leads with 420 patents, followed by Syngenta Participations Ag at 393 grants and Bayer Cropscience Aktiengesellschaft at 378.

Filing activity in A01N is down 3% over the past five years versus 2015-2019, a relatively steady filing pace. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is A01N innovation accelerating?

US utility-patent grants per year in A01N, 2015–2025 - recent five years are down 3% versus 2015–2019.

8001,0001,2001,400 20152016201720182019202020212022202320242025 831

Who leads A01N?

The 12 most active assignees in PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF ; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES ; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS - wider bars mean more grants

patents

What this shows Basf Se is the most active filer in A01N, holding 420 of the 13,786 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 A01N
Rank Company Patents in A01N
#1 BASF SE 420
#2 Syngenta Participations Ag 393
#3 Bayer Cropscience Aktiengesellschaft 378
#4 DOW Agrosciences Llc 360
#5 Sumitomo Chemical Company, Limited 306
#6 Monsanto Technology Llc 284
#7 Ecolab USA Inc. 230
#8 Bayer Intellectual Property Gmbh 202
#9 FMC Corporation 115
#10 Pioneer Hi-bred International, Inc. 98
#11 E.i. DU PONT DE Nemours AND Company 93
#12 Syngenta Crop Protection Ag 93
#13 The United States Of America, As Represented By The Secretary Of Agriculture 86
#14 UPL Ltd 75
#15 Iovance Biotherapeutics, Inc. 71
#16 Valent Biosciences Llc 67
#17 Nippon SODA Co., Ltd. 63
#18 Bayer Healthcare Llc 61
#19 KING Faisal University 60
#20 Immatics Biotechnologies Gmbh 53

About This Class

CPC subclass A01N belongs to class A01.

13,786 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 A01N 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 A01N assignees by class footprint. Bubble size = patents in A01N. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 A01N assignees by class footprint. Bubble size = patents in A01N. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 510152025 0100200300400500 Patents in A01N Avg claims / patent (company-wide) Basf SeSyngenta Participatio…Bayer Cropscience Akt…Dow AgrosciencesSumitomo ChemicalMonsanto TechnologyEcolab UsaBayer Intellectual Pr…FmcPioneer Hi-bred Inter…E I Du Pont De Nemour…Syngenta Crop Protect…The United States of…Upl
Top 14 A01N assignees by class footprint. Bubble size = patents in A01N. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class A01N?
CPC subclass A01N covers PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF ; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES ; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS. It belongs to CPC class A01 (AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING), with 13,786 US utility patents granted since 2015.
How many patents have been filed in A01N?
13,786 US utility patents were granted in CPC subclass A01N between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in A01N?
BASF SE leads A01N with 420 patents, making it the most active assignee in this technology area.
How is patent data for A01N 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., A01) is a broad technology category. Subclasses like A01N 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.