CPC technology class · C07

C07C - Acyclic Or Carbocyclic Compounds

Acyclic or carbocyclic compounds. 32,521 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

32,521
US patents granted: #3/8
in C07: 18.5%
C07 class share: -29%
5-yr velocity

The verdict

According to USPTO PatentsView, Acyclic Or Carbocyclic Compounds ranks #55 of 670 CPC technology areas - 32,521 US patents granted since 2015, with recorded grant volume down 29% over five years.

#55
of 670 CPC technology areas: 32,521
US patents granted, 2015–2025: Basf Se
leading assignee (654): -29%
grant velocity, last 5 yrs

How C07C's grant cadence moved

Between 2020–2024, C07C recorded 11,634 grants versus 16,433 in 2015–2019 (-29% equal-window velocity). Across complete years, output peaked in 2015 at 3,557 grants and bottomed in 2024 at 1,927 (+85% peak-over-trough). Lead assignee Basf SE holds 2.0% of the class ; the top three share 5.0%.

Leaderboard read

C07C concentration, lead at 2.0%

Basf SE leads this historical grant record at 2.0% of C07C - foreign corporation assignees hold 58% of class grants (14,602 of 25,355). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 2.0%
Top three share: 5.0%
Lead over #2: 147

Where C07C sits inside C07

Among 8 subclasses in C07 (Organic Chemistry), C07C ranks #3 and holds 18.5% of the parent class's 176,064 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

C07K 58,046 C07D 54,914 C07F 14,249 C07B 8,058 C07H 6,464 C07J 1,454 C07G 358

Rising assignees active in C07C

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 Exxon Mobil Technology and Engineering Company 298x 0 → 298 company-wide · 42 in C07C
#2 Resonac Corporation 192x 0 → 192 company-wide · 20 in C07C
#3 King Faisal University 125x 6 → 747 company-wide · 58 in C07C
#4 Shell USA, Inc. 110x 0 → 110 company-wide · 27 in C07C
#5 Totalenergies Onetech 65x 0 → 65 company-wide · 22 in C07C

C07C grants by year, peak 2015 (3,557)

US utility-patent grants per year in C07C, 2015–2025 - recent five years are down 29% versus 2015–2019.

Basf Se

654
Exxonmobil Chemical…

507
Lg Chem

463
Uop

444
Saudi Arabian Oil

332
Dow Global

296
Arkema France

284
Sabic Global B V

271
Chevron Phillips…

235
Shin-etsu Chemical

226
Ifp Energies Nouvelles

215
Merck Patent

205

What this shows Basf Se is the most active filer in C07C, holding 654 of the 32,521 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

View data table

Top patent holders in CPC subclass C07C
Rank	Company	Patents in C07C
#1	Basf SE	654
#2	ExxonMobil Chemical Patents Inc.	507
#3	LG Chem, Ltd.	463
#4	UOP LLC	444
#5	Saudi Arabian OIL Company	332
#6	DOW Global Technologies LLC	296
#7	Arkema France	284
#8	Sabic Global Technologies B.V.	271
#9	Chevron Phillips Chemical Company LP	235
#10	Shin-etsu Chemical Co., Ltd.	226
#11	IFP Energies Nouvelles	215
#12	Merck Patent GmbH	205
#13	Sumitomo Chemical Company, Limited	195
#14	Evonik Degussa GMBH	193
#15	Shell OIL Compny	182
#16	Centre National DE LA Recherche Scientifique	166
#17	Daikin Industries, Ltd.	161
#18	Mitsubishi Gas Chemical Company, Inc.	158
#19	Celanese International Corporation	155
#20	Chevron U.S.A. Inc.	151

Footprint here vs. claim strategy

Each dot is a leading C07C 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 C07C assignees by class footprint. Bubble size = patents in C07C. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near C07C's 32,521-grant footprint

Nationwide nearest neighbors for C07C (#55 of 670 by volume ; lead share 2.0%) - not the C07 parent-class siblings above.

Nearest by grant volume

Y02A 32,476 G01C 32,360 C12Q 32,189 H10B 31,904

Nearest by lead-assignee share

B05D 2.0% F27B 2.0% G01B 2.0% G01M 2.0%

Questions about C07C

Which company holds the most patents in C07C?

Basf SE leads C07C with 654 patents (2.0% of the subclass). By PatentsView assignee type, foreign corporations account for 58% of class grants.

Which C07C assignees grew fastest recently?

Among assignees with ≥5 grants in C07C, Exxon Mobil Technology and Engineering Company shows the highest company-wide grant multiple (298x: 0 grants in 2019–2021 → 298 in 2022–2024) while holding 42 patents in this subclass. Growth is company-wide, not class-only.

How does C07C compare inside parent class C07?

Inside C07 (Organic Chemistry), C07C ranks #3 of 8 subclasses by grant volume and holds 18.5% of the parent class total. The largest sibling is C07K (58,046 grants).

What to do with this data

C07C in context - here's where to go next.

Basf SE leads C07C with 654 grants in this class. See full portfolio
C07C ranks #55 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class C07, the largest sibling subclass is C07K with 58,046 grants. Explore C07K

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

Methodology - C07C figures are USPTO PatentsView granted-utility totals for this subclass (32,521 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.