CPC technology class · C07
C07F - Acyclic
Acyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium. 14,249 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.
- 14,249
- US patents granted
- #4/8
- in C07
- 8.1%
- C07 class share
- -14%
- 5-yr velocity
The verdict
According to USPTO PatentsView, Acyclic ranks #131 of 670 CPC technology areas - 14,249 US patents granted since 2015, with recorded grant volume down 14% over five years.
- #131
- of 670 CPC technology areas
- 14,249
- US patents granted, 2015–2025
- Samsung
- leading assignee (655)
- -14%
- grant velocity, last 5 yrs
How C07F's grant cadence moved
Between 2020–2024, C07F recorded 5,567 grants versus 6,454 in 2015–2019 (-14% equal-window velocity). Across complete years, output peaked in 2019 at 1,332 grants and bottomed in 2022 at 1,036 (+29% peak-over-trough). Lead assignee Universal Display Corporation holds 3.8% of the class ; the top three share 6.2%.
Leaderboard read
C07F concentration, lead at 3.8%
Universal Display Corporation leads this historical grant record at 3.8% of C07F - foreign corporation assignees hold 53% of class grants (4,367 of 8,305). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.
- Leader's share
- 3.8%
- Top three share
- 6.2%
- Lead over #2
- 345
542 of 14,249 grants
of the class's recorded grants
more grants than Merck Patent GmbH
Where C07F sits inside C07
Among 8 subclasses in C07 (Organic Chemistry), C07F ranks #4 and holds 8.1% 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.
Rising assignees active in C07F
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 SK On Co., Ltd. 243x 0 → 243 company-wide · 10 in C07F
- #2 Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch 142x 0 → 142 company-wide · 15 in C07F
- #3 King Faisal University 125x 6 → 747 company-wide · 29 in C07F
- #4 AAC Microtech (Changzhou) Co., Ltd. 24x 6 → 141 company-wide · 5 in C07F
- #5 Gelest, Inc. 15x 0 → 15 company-wide · 10 in C07F
C07F grants by year, peak 2019 (1,332)
US utility-patent grants per year in C07F, 2015–2025 - recent five years are down 14% versus 2015–2019.
Who leads C07F?
The 12 most active assignees in Acyclic, Carbocyclic OR Heterocyclic Compounds Containing Elements Other Than Carbon, Hydrogen, Halogen, Oxygen, Nitrogen, Sulfur, Selenium OR Tellurium - wider bars mean more grants
- Universal Display
Universal Display Corporation
542 patents
- Merck Patent 197
Merck Patent GmbH
197 patents
- Shin-etsu Chemical 144
Shin-etsu Chemical Co., Ltd.
144 patents
- Centre National De La… 129
Centre National DE LA Recherche Scientifique
129 patents
- Evonik Degussa 125
Evonik Degussa GMBH
125 patents
- Dow Global 93
DOW Global Technologies LLC
93 patents
- Arizona Board Of… 93
Arizona Board OF Regents FOR AND ON Behalf OF Arizona State University
93 patents
- Exxonmobil Chemical… 90
ExxonMobil Chemical Patents Inc.
90 patents
- King Fahd University… 88
King Fahd University OF Petroleum AND Minerals
88 patents
- Gilead Sciences 86
Gilead Sciences, Inc.
86 patents
- Bristol-myers Squibb 75
Bristol-Myers Squibb Company
75 patents
- Merck Sharp & Dohme 73
Merck Sharp & Dohme LLC
73 patents
What this shows Samsung is the most active filer in C07F, holding 655 of the 14,249 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.
View data table
| Rank | Company | Patents in C07F |
|---|---|---|
| #1 | Universal Display Corporation | 542 |
| #2 | Merck Patent GmbH | 197 |
| #3 | Shin-etsu Chemical Co., Ltd. | 144 |
| #4 | Centre National DE LA Recherche Scientifique | 129 |
| #5 | Evonik Degussa GMBH | 125 |
| #6 | DOW Global Technologies LLC | 93 |
| #7 | Arizona Board OF Regents FOR AND ON Behalf OF Arizona State University | 93 |
| #8 | ExxonMobil Chemical Patents Inc. | 90 |
| #9 | King Fahd University OF Petroleum AND Minerals | 88 |
| #10 | Gilead Sciences, Inc. | 86 |
| #11 | Bristol-Myers Squibb Company | 75 |
| #12 | Merck Sharp & Dohme LLC | 73 |
| #13 | UDC Ireland Limited | 70 |
| #14 | Momentive Performance Materials GmbH | 62 |
| #15 | Adeka Corporation | 61 |
| #16 | Versum Materials US, LLC | 61 |
| #17 | L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude | 58 |
| #18 | Wacker Chemie AG | 56 |
| #19 | Umicore AG & Co. KG | 53 |
| #20 | Chevron Phillips Chemical Company LP | 52 |
Footprint here vs. claim strategy
Each dot is a leading C07F 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.
Classes near C07F's 14,249-grant footprint
Nationwide nearest neighbors for C07F (#131 of 670 by volume ; lead share 4.6%) - not the C07 parent-class siblings above.
Nearest by grant volume
Questions about C07F
Which company holds the most patents in C07F?
Which C07F assignees grew fastest recently?
How does C07F compare inside parent class C07?
What to do with this data
C07F in context - here's where to go next.
- Universal Display Corporation leads C07F with 542 grants in this class. See full portfolio
- C07F ranks #131 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 - C07F figures are USPTO PatentsView granted-utility totals for this subclass (14,249 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.