Where does Grand Rainbow International Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Grand Rainbow International Limited ranks #40,495 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 Grand Rainbow International Limited hold?

Grand Rainbow International Limited holds 6 US utility patents granted between 2016 and 2019, spanning 3 technology areas.

What is Grand Rainbow International Limited's Innovation Score?

Grand Rainbow International Limited has an Innovation Score of 20.4 out of 100 (7th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Grand Rainbow International Limited focus on?

Grand Rainbow International Limited's top technology area is A44C (Personal Adornments, e.g. JEWELLERY; Coins) with 6 patents. Grants appear in 3 CPC subclasses total.

Is Grand Rainbow International Limited's patent grant rate increasing or decreasing?

Grand Rainbow International 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 Grand Rainbow International Limited's patents?

Grand Rainbow International Limited's patents average 12.5 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 Grand Rainbow International 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

Grand Rainbow International Limited

USPTO PatentsView assignee record - 6 granted patents across 3 technology areas, recorded in grant years 2016–2019. 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: A44C (Personal Adornments, e.g. JEWELLERY; Coins).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Grand ranks #40,495 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 3 technology areas.

#40,495
of 49,997 US assignees by volume: 7th percentile
by Innovation Score (20.4/100): 12.5
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R40495 · Foreign Corporation #40,495 · 6 grants

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

GRANTS-MICRO 6 grants
LOWER-Q #40,495/49,997
PHOTO-FINISH Graftek Imaging
CPC-NARROW A44C · 3 areas
INNOV-THIN 20.4/100
CLAIMS-RICH 12.5 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Graftek Imaging Inc. (±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.

Qualcomm Incorporated · highest

85
Grand Rainbow… · this assignee

20
3D Lighting… · lowest

7

What this shows Grand's Innovation Score is 20.4/100 (7th 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.

Where Grand's grants concentrate

Grand Rainbow International Limited is a focused PatentsView assignee: 3 CPC subclasses with 100% of grants classified under A44C (Personal Adornments, e.g. JEWELLERY; Coins). Peak complete grant year is 2017 (3 grants) versus a trough of 1 in 2016. By volume, Grand sits between Graftek Imaging Inc. and Great Basin Scientific, Inc..

Graftek Imaging

6
Granbluetech L L C

6
Grand Abyss

6
Grand Design RV

6
Grandeye

6
Graphiclead

6
Gravitas Medical

6
Great Basin Scien…

6
Grand Rainbow Int… ◀

6

What this shows Grand holds 6 patents at rank #40,529, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Grand

By rank, the assignees closest to #40,529 in granted patent volume.

Leaders in A44C (Personal Adornments)

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

Grand's Innovation Score vs. every tracked assignee

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

20 7th percentile higher than 7% 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 · 2016–2019

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Grand Rainbow International Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	16.7%
2017	3	50.0%
2018	1	16.7%
2019	1	16.7%

Which technologies does Grand Rainbow International Limited patent most?

A44C - Personal Adornments, e.g. JEWELLERY; Coins 6

Y10T - Technical Subjects Covered BY Former US Classification 6

B23P - Metal-working NOT Otherwise Provided FOR; Combined OPERATIONS; Universal Machine Tools 3

Top 3 of 3 technology areas

Where it ranks

Overall rank by patents

#40,495

of 49,997 tracked assignees

Innovation Score

20.4 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Grand Rainbow International Limited's patent record in context - here's where to go next.

Grand Rainbow International Limited's lead technology class is A44C (Personal Adornments, e.g. JEWELLERY; Coins), 100% of its portfolio - see every assignee active in that class. Explore A44C
Ranked #40,495 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Grand Rainbow International Limited against Graftek Imaging Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 20.4/100 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.