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CPC technology class · C08

C08G - Macromolecular Compounds Obtained Otherwise Than By React…

Macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds. 29,133 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

29,133
US patents granted
#2/8
in C08
20.2%
C08 class share
-5%
5-yr velocity

The verdict

According to USPTO PatentsView, Macromolecular Compounds Obtained Otherwise Than By React… ranks #69 of 670 CPC technology areas - 29,133 US patents granted since 2015, with recorded grant volume down 5% over five years.

#69
of 670 CPC technology areas
29,133
US patents granted, 2015–2025
Dow Global
leading assignee (661)
-5%
grant velocity, last 5 yrs

How C08G's grant cadence moved

Between 2020–2024, C08G recorded 12,266 grants versus 12,867 in 2015–2019 (-5% equal-window velocity). Across complete years, output peaked in 2020 at 2,828 grants and bottomed in 2022 at 2,214 (+28% peak-over-trough). Lead assignee DOW Global Technologies LLC holds 2.3% of the class ; the top three share 6.6%.

Leaderboard read

C08G concentration, lead at 2.3%

DOW Global Technologies LLC leads this historical grant record at 2.3% of C08G - foreign corporation assignees hold 67% of class grants (14,501 of 21,618). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
2.3%

661 of 29,133 grants

Top three share
6.6%

of the class's recorded grants

Lead over #2
15

more grants than Basf SE

Where C08G sits inside C08

Among 8 subclasses in C08 (Organic Macromolecular COMPOUNDS; Their Preparation OR Chemical WORKING-UP; Compositions Based Thereon), C08G ranks #2 and holds 20.2% of the parent class's 144,472 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

C08L 36,183 C08K 28,505 C08F 23,159 C08J 21,338 C08B 3,742 C08C 1,240 C08H 1,172

Rising assignees active in C08G

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 Resonac Corporation 192x 0 → 192 company-wide · 54 in C08G
  2. #2 Solventum Intellectual Properties Company 88x 0 → 88 company-wide · 5 in C08G
  3. #3 Bmic LLC 35x 5 → 176 company-wide · 7 in C08G
  4. #4 Imam Mohammad IBN Saud Islamic University 27x 0 → 27 company-wide · 11 in C08G
  5. #5 FFI Ionix IP, Inc. 23x 0 → 23 company-wide · 7 in C08G

C08G grants by year, peak 2020 (2,828)

US utility-patent grants per year in C08G, 2015–2025 - recent five years are down 5% versus 2015–2019.

1,5002,0002,5003,000 20152016201720182019202020212022202320242025 1,719

Who leads C08G?

The 12 most active assignees in Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds - wider bars mean more grants

patents

What this shows Dow Global is the most active filer in C08G, holding 661 of the 29,133 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 C08G
Rank Company Patents in C08G
#1 DOW Global Technologies LLC 661
#2 Basf SE 646
#3 Shin-etsu Chemical Co., Ltd. 607
#4 LG Chem, Ltd. 597
#5 3M Innovative Properties Company 366
#6 Mitsubishi Gas Chemical Company, Inc. 364
#7 Covestro Deutschland AG 326
#8 Sabic Global Technologies B.V. 301
#9 Dow Silicones Corporation 295
#10 Toray Industries, Inc. 271
#11 Sumitomo Chemical Company, Limited 222
#12 Sika Technology AG 217
#13 Henkel AG & Co. KGaA 208
#14 PPG Industries Ohio, Inc. 208
#15 Evonik Degussa GMBH 191
#16 Mitsubishi Chemical Corporation 180
#17 Mitsui Chemicals, Inc. 178
#18 Nissan Chemical Industries, Ltd. 173
#19 DIC Corporation 167
#20 Arkema France 162

Footprint here vs. claim strategy

Each dot is a leading C08G 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 C08G assignees by class footprint. Bubble size = patents in C08G. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 8101214161820 100200300400500600700 Patents in C08G Avg claims / patent (company-wide) Dow GlobalBasf SeShin-etsu ChemicalLg Chem3m Innovative…Mitsubishi Gas…Covestro DeutschlandSabic Global B VDow SiliconesToray IndustriesSumitomo ChemicalSika TechnologyHenkel & KgaaPpg Industries Ohio
Top 14 C08G assignees by class footprint. Bubble size = patents in C08G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near C08G's 29,133-grant footprint

Nationwide nearest neighbors for C08G (#69 of 670 by volume ; lead share 2.3%) - not the C08 parent-class siblings above.

Nearest by grant volume

C09K 29,124 B65D 29,449 B62D 29,451 C23C 29,488

Nearest by lead-assignee share

H01S 2.3% B26D 2.3% A23V 2.3% G16B 2.3%

Questions about C08G

Which company holds the most patents in C08G?
DOW Global Technologies LLC leads C08G with 661 patents (2.3% of the subclass). By PatentsView assignee type, foreign corporations account for 67% of class grants.
Which C08G assignees grew fastest recently?
Among assignees with ≥5 grants in C08G, Resonac Corporation shows the highest company-wide grant multiple (192x: 0 grants in 2019–2021 → 192 in 2022–2024) while holding 54 patents in this subclass. Growth is company-wide, not class-only.
How does C08G compare inside parent class C08?
Inside C08 (Organic Macromolecular COMPOUNDS; Their Preparation OR Chemical WORKING-UP; Compositions Based Thereon), C08G ranks #2 of 8 subclasses by grant volume and holds 20.2% of the parent class total. The largest sibling is C08L (36,183 grants).

What to do with this data

C08G in context - here's where to go next.

  • DOW Global Technologies LLC leads C08G with 661 grants in this class. See full portfolio
  • C08G ranks #69 of 670 by grant volume among all tracked CPC technology areas. See the ranking
  • Inside parent class C08, the largest sibling subclass is C08L with 36,183 grants. Explore C08L

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

Methodology - C08G figures are USPTO PatentsView granted-utility totals for this subclass (29,133 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.