Where does Spigen Korea Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Spigen Korea Co., Ltd. ranks #594 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 Spigen Korea Co., Ltd. hold?

Spigen Korea Co., Ltd. holds 749 US utility patents granted between 2015 and 2025, spanning 25 technology areas.

What is Spigen Korea Co., Ltd.'s Innovation Score?

Spigen Korea Co., Ltd. has an Innovation Score of 43.6 out of 100 (top 28% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Spigen Korea Co., Ltd. focus on?

Spigen Korea Co., Ltd.'s top technology area is A45C (PURSES; LUGGAGE; Hand Carried Bags) with 29 patents. Grants appear in 25 CPC subclasses total.

Is Spigen Korea Co., Ltd.'s patent grant rate increasing or decreasing?

Spigen Korea Co., Ltd.'s recent grant velocity is +4% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Spigen Korea Co., Ltd.'s patents?

Spigen Korea Co., Ltd.'s patents average 2.0 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 Spigen Korea Co., Ltd. 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

Spigen Korea Co., Ltd.

USPTO PatentsView assignee record - 749 granted patents across 25 technology areas, recorded in grant years 2015–2025. 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: A45C (PURSES; LUGGAGE; Hand Carried Bags).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Spigen ranks #594 of 49,997 tracked US assignees by granted-patent volume, with 749 patents across 25 technology areas.

#594
of 49,997 US assignees by volume: Top 28%
by Innovation Score (43.6/100): 2.0
avg claims per patent: +4%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R594 · Foreign Corporation #594 · 749 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-FLAT · BOOK-FULL

GRANTS-MID 749 grants
TOP-DECILE #594/49,997
PHOTO-FINISH The Toronto-Dominion…
CPC-FOCUS A45C · 25 areas
INNOV-PAR 43.6/100
CLAIMS-SPARSE 2.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-FLAT +4% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: The Toronto-Dominion Bank (±1 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
iboss · near

44
Keithley Instruments · near

44
Nasuni · near

44
Spigen Korea · this assignee

44
Unger Marketing… · near

44
3D Lighting… · lowest

7

What this shows Spigen's Innovation Score is 43.6/100 (top 28% 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 Spigen's grants concentrate

Spigen Korea Co., Ltd. is a focused PatentsView assignee: 25 CPC subclasses with 3.9% of grants classified under A45C (PURSES; LUGGAGE; Hand Carried Bags). Peak complete grant year is 2019 (159 grants) versus a trough of 2 in 2015. By volume, Spigen sits between Pacesetter, Inc. and Nuance Communications, Inc..

Spigen's three-year grant acceleration

From 2019–2021 to 2022–2024, Spigen Korea Co., Ltd. moved from 398 to 113 grants (0.28x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #3,014. See the growth leaderboard.

Pacesetter

754
adidas

754
Medline Industries

753
Shenzhen Goodix T…

753
Spigen Korea ◀

749
The Toronto-domin…

748
Steering Solution…

747
Shanghai Tianma M…

743
Nuance Communicat…

740

What this shows Spigen holds 749 patents at rank #594, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Spigen

By rank, the assignees closest to #594 in granted patent volume.

Leaders in A45C (Purses)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Spigen, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (44 here).

Unger Marketing International, LLC 44 iboss, Inc. 44 Keithley Instruments, LLC 44 Nasuni Corporation 44

Similar claim depth

Nearest assignees by average claims per patent (2.0 here).

Resource Intl Inc. 2.0 avg Shin TAI Spurt Water OF THE Garden Tools Co., Ltd 1.9 avg The Decor Corporation Pty. Ltd. 1.9 avg Guangdong Bestek E-commerce Co., Ltd. 1.9 avg

Spigen's Innovation Score vs. every tracked assignee

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

44 Top 28% higher than 72% 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 · 2015–2025

Grants by year

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

View data table

Spigen Korea Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	0.3%
2016	19	2.5%
2017	65	8.7%
2018	92	12.3%
2019	159	21.2%
2020	149	19.9%
2021	90	12.0%
2022	3	0.4%
2023	49	6.5%
2024	61	8.1%
2025partial year	60	8.0%

Which technologies does Spigen Korea Co., Ltd. patent most?

A45C - PURSES; LUGGAGE; Hand Carried Bags 29

H04B - Transmission 22

H04M - Telephonic Communication 13

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 10

F16M - Frames, Casings OR Beds OF Engines, Machines OR Apparatus, NOT Specific TO Engines, Machines OR Apparatus Provided FOR ELSEWHERE; STANDS; Supports 7

G06F - Electric Digital Data Processing 6

A45F - Travelling OR Camp EQUIPMENT: Sacks OR Packs Carried ON THE Body 6

B65D - Containers FOR Storage OR Transport OF Articles OR Materials, e.g. Bags, Barrels, Bottles, Boxes, Cans, Cartons, Crates, Drums, Jars, Tanks, Hoppers, Forwarding CONTAINERS; Accessories, Closures, OR Fittings THEREFOR; Packaging ELEMENTS; Packages 5

B62J - Cycle Saddles OR SEATS; Auxiliary Devices OR Accessories Specially Adapted TO Cycles AND NOT Otherwise Provided FOR, e.g. Article Carriers OR Cycle Protectors 2

B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR 2

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 2

H04R - Loudspeakers, Microphones, Gramophone Pick-ups OR Like Acoustic Electromechanical TRANSDUCERS; Deaf-aid SETS; Public Address Systems 2

E05C - Bolts OR Fastening Devices FOR Wings, Specially FOR Doors OR Windows 2

E05B - LOCKS; Accessories THEREFOR; Handcuffs 2

E05D - Hinges OR Suspension Devices FOR Doors, Windows OR Wings 2

Top 15 of 25 technology areas

Where it ranks

Overall rank by patents

#594

of 49,997 tracked assignees

Innovation Score

43.6 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

Spigen Korea Co., Ltd.'s patent record in context - here's where to go next.

Spigen Korea Co., Ltd.'s lead technology class is A45C (PURSES; LUGGAGE; Hand Carried Bags), 3.9% of its portfolio - see every assignee active in that class. Explore A45C
Ranked #594 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Spigen Korea Co., Ltd. against Pacesetter, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 43.6/100 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.

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.