Charles & Colvard, Ltd.
USPTO PatentsView assignee record - 9 granted patents across 0 technology areas, recorded in grant years 2019–2020. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength.
The verdict
According to USPTO PatentsView, Charles ranks #28,394 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 0 technology areas.
- #28,394
- of 49,997 US assignees by volume
- 1st percentile
- by Innovation Score (8.6/100)
- 1.0
- avg claims per patent
- +250%
- grant velocity, last 5 yrs
USPTO PatentsView assignee plate
Corpus R28394 · US Corporation #28,394 · 9 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-UNK · INNOV-LOW · CLAIMS-SPARSE · TYPE-USCORP · VEL-SURGE · BOOK-RICH
- GRANTS-MICRO 9 grants
- MID-PACK #28,394/49,997
- PHOTO-FINISH Certona
- CPC-UNK CPC blank
- INNOV-LOW 8.6/100
- CLAIMS-SPARSE 1.0 claims/avg
- TYPE-USCORP US Corporation
- VEL-SURGE +250% vel
- BOOK-RICH 9/10 fields
Nearest grant-volume peer: Certona Corporation (±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 Charles’s 8.6 Innovation Score adds up
The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.
Innovation-score neighbourhood around Charles
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Charles & Colvard · this assignee 9
Charles & Colvard · this assignee
9 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows Charles's Innovation Score is 8.6/100 (1st 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 Charles?
Each dot is one of Charles’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). Charles’s own 1.0 claims/patent is at or below the 19.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.
Where Charles's grants concentrate
Charles & Colvard, Ltd. is a focused PatentsView assignee: 0 CPC subclasses . Peak complete grant year is 2020 (7 grants) versus a trough of 2 in 2019. By volume, Charles sits between Certona Corporation and Chef Software, Inc..
Who files at Charles's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Certona
Certona Corporation
9 patents
- Changsha Sinocare
Changsha Sinocare Inc.
9 patents
- Chapman University
Chapman University
9 patents
- Charge Fusion
Charge Fusion Technologies, LLC
9 patents
- Check Video
Check Video LLC
9 patents
- Cheetah Medical
Cheetah Medical, Inc.
9 patents
- Chef Robotics
Chef Robotics, Inc.
9 patents
- Chef Software
Chef Software, Inc.
9 patents
- Charles & Colvard ◀
Charles & Colvard, Ltd.
9 patents
What this shows Charles holds 9 patents at rank #28,452, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near Charles
By rank, the assignees closest to #28,452 in granted patent volume.
- Certona Corporation #28,448 · 9 patents
- Changsha Sinocare Inc. #28,449 · 9 patents
- Chapman University #28,450 · 9 patents
- Charge Fusion Technologies, LLC #28,451 · 9 patents
- Check Video LLC #28,453 · 9 patents
- Cheetah Medical, Inc. #28,454 · 9 patents
- Chef Robotics, Inc. #28,455 · 9 patents
- Chef Software, Inc. #28,456 · 9 patents
Charles's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
9 1st percentile higher than 1% 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
Grants by year
Teal-shaded recent years (2020–present) versus the 2019–2019 baseline. Full figures in the table below.
View data table
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2019 | 2 | 22.2% |
| 2020 | 7 | 77.8% |
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
Charles & Colvard, Ltd.'s patent record in context - here's where to go next.
- Ranked #28,394 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare Charles & Colvard, Ltd. against Certona Corporation, an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 8.6/100 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.
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.