Where does C7th Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), C7th Limited ranks #39,285 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does C7th Limited hold?

C7th Limited holds 6 US utility patents granted between 2015 and 2018, spanning 2 technology areas.

What is C7th Limited's Innovation Score?

C7th Limited has an Innovation Score of 16.5 out of 100 (4th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is C7th Limited's patent grant rate increasing or decreasing?

C7th Limited's recent grant velocity is -100% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for C7th Limited's patents?

C7th Limited's patents average 8.0 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the C7th Limited patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

C7th Limited

Q: What technology areas does C7th Limited focus on?

C7th Limited's top technology area is G10D (Stringed Musical INSTRUMENTS; Wind Musical INSTRUMENTS; Accordions OR CONCERTINAS; Percussion Musical INSTRUMENTS; Aeolian HARPS; Singing-flame Musical INSTRUMENTS; Musical Instruments NOT Otherwise Provided FOR) with 3 patents, ranking #35 of 62 assignees active in that subclass. Grants appear in 2 CPC subclasses total.

USPTO PatentsView assignee record - 6 granted patents across 2 technology areas, recorded in grant years 2015–2018. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: G10D (Stringed Musical INSTRUMENTS; Wind Musical INSTRUMENTS; Accordions OR CONCERTINAS; Percussion Musical INSTRUMENTS; Aeolian HARPS; Singing-flame Musical INSTRUMENTS; Musical Instruments NOT Otherwise P).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, C7th ranks #39,285 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 2 technology areas.

#39,285
of 49,997 US assignees by volume: 4th percentile
by Innovation Score (16.5/100): 8.0
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R39285 · Foreign Corporation #39,285 · 6 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-LOW · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 6 grants
LOWER-Q #39,285/49,997
PHOTO-FINISH C4X Discovery
CPC-NARROW G10D · 2 areas
INNOV-LOW 16.5/100
CLAIMS-PAR 8.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: C4X Discovery Limited (±0 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

How C7th’s 16.5 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 6.7 pts (41%) Velocity 0.0 pts (0%) Breadth 5.0 pts (30%) Claim depth 4.8 pts (29%)

Qualcomm Incorporated · highest

85
Interlemo Holding · near

17
C7th · this assignee

17
Idea Nuova · near

16
BSN Sports · near

16
Etherwhere · near

16
3D Lighting… · lowest

7

What this shows C7th's Innovation Score is 16.5/100 (4th percentile of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Does more volume mean deeper claims for C7th?

Each dot is one of C7th’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). C7th’s own 8.0 claims/patent is at or below the 12.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

C7th vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where C7th's grants concentrate

C7th Limited is a focused PatentsView assignee: 2 CPC subclasses with 50% of grants classified under G10D (Stringed Musical INSTRUMENTS; Wind Musical INSTRUMENTS; Accordions OR CONCERTINAS; Percussion Musical INSTRUMENTS; Aeolian HARPS; Singing-flame Musical INSTRUMENTS; Musical Instruments NOT Otherwise P). Peak complete grant year is 2015 (2 grants) versus a trough of 1 in 2016. By volume, C7th sits between C.C.P.CONTACT Probes Co., Ltd. and Calderys France.

C C P Contact Pro…

6
C G AIR SYSTÈMES

6
C R D Centro Rice…

6
C4X Discovery

6
Cabin Management…

6
Cabinplant Intern…

6
Cakeboxx

6
Calderys France

6
C7th ◀

6

What this shows C7th holds 6 patents at rank #39,291, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near C7th

By rank, the assignees closest to #39,291 in granted patent volume.

Leaders in G10D (Stringed Musical Instruments)

Other assignees with the most granted patents in C7th's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for C7th, neither rank-band nor same-CPC leaders (those blocks stay above). In G10D (Stringed Musical Instruments), C7th ranks #35 of 62 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (17 here).

Interlemo Holding S.A. 17 Idea Nuova, Inc. 16 BSN Sports, LLC 16 Etherwhere Corporation 16

C7th's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

17 4th percentile higher than 4% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2015–2018

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

C7th Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	33.3%
2016	1	16.7%
2017	1	16.7%
2018	2	33.3%

Which technologies does C7th Limited patent most?

G10D - Stringed Musical INSTRUMENTS; Wind Musical INSTRUMENTS; Accordions OR CONCERTINAS; Percussion Musical INSTRUMENTS; Aeolian HARPS; Singing-flame Musical INSTRUMENTS; Musical Instruments NOT Otherwise Provided FOR 3

G10G - Representation OF MUSIC; Recording Music IN Notation FORM; Accessories FOR Music OR Musical Instruments NOT Otherwise Provided FOR, e.g. Supports 1

Top 2 of 2 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

C7th Limited's patent record in context - here's where to go next.

C7th Limited's lead technology class is G10D (Stringed Musical INSTRUMENTS; Wind Musical INSTRUMENTS; Accordions OR CONCERTINAS; Percussion Musical INSTRUMENTS; Aeolian HARPS; Singing-flame Musical INSTRUMENTS; Musical Instruments NOT Otherwise P), 50% of its portfolio - see every assignee active in that class. Explore G10D
Ranked #39,285 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare C7th Limited against C.C.P.CONTACT Probes Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 16.5/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

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

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent , US Patent Intelligence Editorial Process · May 15, 2026

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. Data current as of May 2026.