Where does Spirent Communications, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Spirent Communications, Inc. ranks #3,511 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 Spirent Communications, Inc. hold?

Spirent Communications, Inc. holds 105 US utility patents granted between 2015 and 2025, spanning 20 technology areas.

What is Spirent Communications, Inc.'s Innovation Score?

Spirent Communications, Inc. has an Innovation Score of 51.5 out of 100 (top 11% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Spirent Communications, Inc.'s patent grant rate increasing or decreasing?

Spirent Communications, Inc.'s recent grant velocity is +6% 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 Spirent Communications, Inc.'s patents?

Spirent Communications, Inc.'s patents average 20.3 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 Spirent Communications, Inc. 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 US Corporation

Spirent Communications, Inc.

Q: What technology areas does Spirent Communications, Inc. focus on?

Spirent Communications, Inc.'s top technology area is H04L (Transmission OF Digital Information, e.g. Telegraphic Communication) with 54 patents. Grants appear in 20 CPC subclasses total.

USPTO PatentsView assignee record - 105 granted patents across 20 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: H04L (Transmission OF Digital Information, e.g. Telegraphic Communication).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Spirent ranks #3,511 of 49,997 tracked US assignees by granted-patent volume, with 105 patents across 20 technology areas.

#3,511
of 49,997 US assignees by volume: Top 11%
by Innovation Score (51.5/100): 20.3
avg claims per patent: +6%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R3511 · US Corporation #3,511 · 105 grants

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

GRANTS-MID 105 grants
TOP-DECILE #3,511/49,997
PHOTO-FINISH Prc-desoto Internati…
CPC-FOCUS H04L · 20 areas
INNOV-PAR 51.5/100
CLAIMS-DENSE 20.3 claims/avg
TYPE-USCORP US Corporation
VEL-FLAT +6% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Prc-desoto International, 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
Agrigenics · near

51
Fujitsu Optical… · near

51
Nuvolo · near

51
Spirent Communications · this assignee

51
Tokyo University of… · near

51
3D Lighting… · lowest

7

What this shows Spirent's Innovation Score is 51.5/100 (top 11% 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 Spirent's grants concentrate

Spirent Communications, Inc. is a focused PatentsView assignee: 20 CPC subclasses with 51.4% of grants classified under H04L (Transmission OF Digital Information, e.g. Telegraphic Communication). Peak complete grant year is 2022 (16 grants) versus a trough of 4 in 2018. By volume, Spirent sits between Prc-desoto International, Inc. and Thomson Reuters Global Resources Unlimited Company.

Spirent's three-year grant acceleration

From 2019–2021 to 2022–2024, Spirent Communications, Inc. moved from 29 to 32 grants (1.10x 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 #954. See the growth leaderboard.

Prc-desoto Intern…

105
Raydium Semicondu…

105
Radware

105
Sony Pictures Ent…

105
Teledyne Scientif…

105
Tianma Japan

105
The Translational…

105
Thomson Reuters G…

105
Spirent Communica… ◀

105

What this shows Spirent holds 105 patents at rank #3,511, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Spirent

By rank, the assignees closest to #3,511 in granted patent volume.

Leaders in H04L (Transmission OF Digital Information)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (51 here).

Tokyo University of Science Foundation 51 Fujitsu Optical Components Limited 51 Agrigenics Inc. 51 Nuvolo Technologies Corporation 51

Similar claim depth

Nearest assignees by average claims per patent (20.3 here).

Joy Global Surface Mining Inc 20.3 avg Qiagen GmbH 20.3 avg STMicroelectronics (Grenoble 2) SAS 20.3 avg McAfee, LLC 20.3 avg

Spirent's Innovation Score vs. every tracked assignee

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

51 Top 11% higher than 89% 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

Spirent Communications, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	14	13.3%
2016	13	12.4%
2017	7	6.7%
2018	4	3.8%
2019	10	9.5%
2020	13	12.4%
2021	6	5.7%
2022	16	15.2%
2023	9	8.6%
2024	7	6.7%
2025partial year	6	5.7%

Which technologies does Spirent Communications, Inc. patent most?

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 54

G06F - Electric Digital Data Processing 39

H04W - Wireless Communication Networks 26

H04B - Transmission 19

H04M - Telephonic Communication 7

H04N - Pictorial Communication, e.g. Television 6

H04J - Multiplex Communication 4

H04H - Broadcast Communication 4

G06T - Image Data Processing OR Generation, IN General 3

G01S - Radio DIRECTION-FINDING; Radio NAVIGATION; Determining Distance OR Velocity BY USE OF Radio WAVES; Locating OR Presence-detecting BY USE OF THE Reflection OR Reradiation OF Radio WAVES; Analogous Arrangements Using Other Waves 3

G06Q - Information AND Communication Technology [ICT] Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory PURPOSES; Systems OR Methods Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory Purposes, NOT Otherwise Provided FOR 2

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 2

G06N - Computing Arrangements Based ON Specific Computational Models 2

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 1

G08G - Traffic Control Systems 1

Top 15 of 20 technology areas

Where it ranks

Overall rank by patents

#3,511

of 49,997 tracked assignees

Innovation Score

51.5 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

Spirent Communications, Inc.'s patent record in context - here's where to go next.

Spirent Communications, Inc.'s lead technology class is H04L (Transmission OF Digital Information, e.g. Telegraphic Communication), 51.4% of its portfolio - see every assignee active in that class. Explore H04L
Ranked #3,511 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Spirent Communications, Inc. against Prc-desoto International, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 51.5/100 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.