PlainPatent

CPC technology class · C13

C13K - Saccharides Obtained FROM Natural Sources OR BY Hydrolysi…

Saccharides obtained from natural sources or by hydrolysis of naturally occurring disaccharides, oligosaccharides or polysaccharides. 754 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

754
US patents granted
C13
Parent CPC class
20
Active assignees
-31%
5-yr velocity

The verdict

Saccharides Obtained FROM Natural Sources OR BY Hydrolysi… ranks #486 of 670 CPC technology areas - 754 US patents granted since 2015, with filing down 31% over five years.

#486
of 670 CPC technology areas
754
US patents granted, 2015–2025
Xyleco
leading assignee (69)
-31%
filing velocity, last 5 yrs
Top assignee: Xyleco, Inc. (69 patents)

CPC subclass C13K - SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES - covers 754 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class C13 (SUGAR INDUSTRY). See our CPC classification guide for how the system works.

The competitive landscape in C13K is shaped by 20 distinct companies actively filing in this space. Xyleco, Inc. leads with 69 patents, followed by Virdia, Llc at 28 grants and Shell OIL Compny at 25.

Filing activity in C13K is down 31% over the past five years versus 2015-2019, a notable slowdown that may signal a maturing field. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is C13K innovation accelerating?

US utility-patent grants per year in C13K, 2015–2025 - recent five years are down 31% versus 2015–2019.

20406080100120 20152016201720182019202020212022202320242025 33

Who leads C13K?

The 12 most active assignees in SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES - wider bars mean more grants

patents

What this shows Xyleco is the most active filer in C13K, holding 69 of the 754 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 C13K
Rank Company Patents in C13K
#1 Xyleco, Inc. 69
#2 Virdia, Llc 28
#3 Shell OIL Compny 25
#4 Novozymes A/s 22
#5 Renmatix, Inc. 19
#6 API Intellectual Property Holdings, Llc 17
#7 Virent, Inc. 14
#8 EPC Natural Products Co., Ltd. 14
#9 Granbio Intellectual Property Holdings, Llc 13
#10 Fluid Quip Technologies, Llc 13
#11 POET Research, Inc. 9
#12 Beta Renewables S.p.a. 9
#13 Dupont Nutrition Biosciences APS 7
#14 Novozymes, Inc. 6
#15 Valmet AB 6
#16 Hayashibara Co., Ltd. 6
#17 Iogen Energy Corporation 6
#18 Inbicon A/s 6
#19 Mitsubishi Hitachi Power Systems Environmental Solutions, Ltd. 5
#20 Zhejiang Huakang Pharmaceutical Co., Ltd. 5

About This Class

CPC subclass C13K belongs to class C13.

754 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 C13K 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 C13K assignees by class footprint. Bubble size = patents in C13K. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 C13K assignees by class footprint. Bubble size = patents in C13K. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 1015202530 020406080 Patents in C13K Avg claims / patent (company-wide) XylecoVirdiaShell Oil CompnyNovozymes A/SRenmatixApi Intellectual Prop…VirentEpc Natural ProductsGranbio Intellectual…Fluid QuipPoet ResearchBeta Renewables S p ADupont Nutrition Bios…Novozymes
Top 14 C13K assignees by class footprint. Bubble size = patents in C13K. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class C13K?
CPC subclass C13K covers SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES. It belongs to CPC class C13 (SUGAR INDUSTRY), with 754 US utility patents granted since 2015.
How many patents have been filed in C13K?
754 US utility patents were granted in CPC subclass C13K between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in C13K?
Xyleco, Inc. leads C13K with 69 patents, making it the most active assignee in this technology area.
How is patent data for C13K 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., C13) is a broad technology category. Subclasses like C13K 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.