PlainPatent

CPC technology class · C08

C08F - Macromolecular Compounds Obtained BY Reactions ONLY Invol…

Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds. 23,159 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

23,159
US patents granted
C08
Parent CPC class
20
Active assignees
+19%
5-yr velocity

The verdict

Macromolecular Compounds Obtained BY Reactions ONLY Invol… ranks #86 of 670 CPC technology areas - 23,159 US patents granted since 2015, with filing up 19% over five years.

#86
of 670 CPC technology areas
23,159
US patents granted, 2015–2025
Lg Chem
leading assignee (1,243)
+19%
filing velocity, last 5 yrs
Top assignee: LG CHEM, Ltd. (1,243 patents)

CPC subclass C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS - covers 23,159 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class C08 (ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON). See our CPC classification guide for how the system works.

The competitive landscape in C08F is shaped by 20 distinct companies actively filing in this space. LG CHEM, Ltd. leads with 1,243 patents, followed by DOW Global Technologies Llc at 639 grants and Exxonmobil Chemical Patents Inc. at 526.

Filing activity in C08F is up 19% 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 C08F innovation accelerating?

US utility-patent grants per year in C08F, 2015–2025 - recent five years are up 19% versus 2015–2019.

1,2001,4001,6001,8002,0002,2002,400 20152016201720182019202020212022202320242025 1,405

Who leads C08F?

The 12 most active assignees in MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS - wider bars mean more grants

patents

What this shows Lg Chem is the most active filer in C08F, holding 1,243 of the 23,159 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 C08F
Rank Company Patents in C08F
#1 LG CHEM, Ltd. 1,243
#2 DOW Global Technologies Llc 639
#3 Exxonmobil Chemical Patents Inc. 526
#4 Chevron Phillips Chemical Company Lp 472
#5 Fujifilm Corporation 471
#6 BASF SE 448
#7 3M Innovative Properties Company 438
#8 Borealis Ag 423
#9 Shin-etsu Chemical Co., Ltd. 306
#10 Rohm And Haas Company 286
#11 ZEON Corporation 282
#12 Bridgestone Corporation 244
#13 Kuraray Co., Ltd. 233
#14 Daikin Industries, Ltd. 221
#15 Sumitomo Chemical Company, Limited 184
#16 Sabic Global Technologies B.v. 174
#17 Mitsubishi Chemical Corporation 163
#18 NOVA Chemicals (international) S.a. 156
#19 Arkema France 151
#20 Basell Poliolefine Italia S.r.l. 151

About This Class

CPC subclass C08F belongs to class C08.

23,159 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 C08F 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 C08F assignees by class footprint. Bubble size = patents in C08F. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 C08F assignees by class footprint. Bubble size = patents in C08F. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 510152025 050010001500 Patents in C08F Avg claims / patent (company-wide) Lg ChemDow GlobalExxonmobil Chemical P…Chevron Phillips Chem…FujifilmBasf Se3m Innovative Propert…BorealisShin-etsu ChemicalRohm and HaasZeonBridgestoneKurarayDaikin Industries
Top 14 C08F assignees by class footprint. Bubble size = patents in C08F. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class C08F?
CPC subclass C08F covers MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS. It belongs to CPC class C08 (ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON), with 23,159 US utility patents granted since 2015.
How many patents have been filed in C08F?
23,159 US utility patents were granted in CPC subclass C08F between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in C08F?
LG CHEM, Ltd. leads C08F with 1,243 patents, making it the most active assignee in this technology area.
How is patent data for C08F 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., C08) is a broad technology category. Subclasses like C08F 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.