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%

542 of 14,249 grants

Top three share
6.2%

of the class's recorded grants

Lead over #2
345

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. #1 SK On Co., Ltd. 243x 0 → 243 company-wide · 10 in C07F
  2. #2 Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch 142x 0 → 142 company-wide · 15 in C07F
  3. #3 King Faisal University 125x 6 → 747 company-wide · 29 in C07F
  4. #4 AAC Microtech (Changzhou) Co., Ltd. 24x 6 → 141 company-wide · 5 in C07F
  5. #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.

6008001,0001,2001,400 20152016201720182019202020212022202320242025 803

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

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.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
View data table

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.

Top 14 C07F assignees by class footprint. Bubble size = patents in C07F. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 10152025 0200400600 Patents in C07F Avg claims / patent (company-wide) Universal DisplayMerck PatentShin-etsu ChemicalCentre National De La…Evonik DegussaDow GlobalArizona Board Of…Exxonmobil Chemical…King Fahd University…Gilead SciencesBristol-myers SquibbMerck Sharp & DohmeUdc IrelandMomentive Performance…
Top 14 C07F assignees by class footprint. Bubble size = patents in C07F. Source: USPTO PatentsView (claim depth is company-wide across all classes).

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.

Questions about C07F

Which company holds the most patents in C07F?
Samsung Electronics Co., Ltd. leads C07F with 655 patents (3.8% of the subclass). By PatentsView assignee type, foreign corporations account for 53% of class grants.
Which C07F assignees grew fastest recently?
Among assignees with ≥5 grants in C07F, SK On Co., Ltd. shows the highest company-wide grant multiple (243x: 0 grants in 2019–2021 → 243 in 2022–2024) while holding 10 patents in this subclass. Growth is company-wide, not class-only.
How does C07F compare inside parent class C07?
Inside C07 (Organic Chemistry), C07F ranks #4 of 8 subclasses by grant volume and holds 8.1% of the parent class total. The largest sibling is C07K (58,046 grants).

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.

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.