Spirent Communications, Inc.
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).
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.
How Spirent’s 51.5 Innovation Score adds up
The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.
Innovation-score neighbourhood around Spirent
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Agrigenics · near
Agrigenics · near
51 score
- Fujitsu Optical… · near
Fujitsu Optical… · near
51 score
- Nuvolo · near
Nuvolo · near
51 score
- Spirent Communications · this assignee
Spirent Communications · this assignee
51 score
- Tokyo University of… · near
Tokyo University of… · near
51 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
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.
Does more volume mean deeper claims for Spirent?
Each dot is one of Spirent’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). Spirent’s own 20.3 claims/patent is ABOVE the 15.9 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.
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.
Who files at Spirent's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Prc-desoto Intern…
Prc-desoto International, Inc.
105 patents
- Raydium Semicondu…
Raydium Semiconductor Corporation
105 patents
- Radware
Radware Ltd.
105 patents
- Sony Pictures Ent…
Sony Pictures Entertainment Inc.
105 patents
- Teledyne Scientif…
Teledyne Scientific & Imaging, LLC
105 patents
- Tianma Japan
Tianma Japan, Ltd.
105 patents
- The Translational…
The Translational Genomics Research Institute
105 patents
- Thomson Reuters G…
Thomson Reuters Global Resources Unlimited Company
105 patents
- Spirent Communica… ◀
Spirent Communications, Inc.
105 patents
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.
- Prc-desoto International, Inc. #3,507 · 105 patents
- Raydium Semiconductor Corporation #3,508 · 105 patents
- Radware Ltd. #3,509 · 105 patents
- Sony Pictures Entertainment Inc. #3,510 · 105 patents
- Teledyne Scientific & Imaging, LLC #3,512 · 105 patents
- Tianma Japan, Ltd. #3,513 · 105 patents
- The Translational Genomics Research Institute #3,514 · 105 patents
- Thomson Reuters Global Resources Unlimited Company #3,515 · 105 patents
Leaders in H04L (Transmission OF Digital Information)
Other assignees with the most granted patents in Spirent's primary technology class.
- International Business Machines Corporation 15,969 in class
- Qualcomm Incorporated 13,594 in class
- Huawei Technologies Co., Ltd. 11,697 in class
- Samsung Electronics Co., Ltd. 10,543 in class
- LG Electronics Inc. 9,062 in class
- Telefonaktiebolaget LM Ericsson (Publ) 8,543 in class
- Cisco Technology, Inc. 7,502 in class
- Microsoft Technology Licensing, LLC 7,301 in class
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for Spirent, neither rank-band nor same-CPC leaders (those blocks stay above). In H04L (Transmission OF Digital Information), Spirent ranks #623 of 8,956 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (51 here).
Similar claim depth
Nearest assignees by average claims per patent (20.3 here).
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
Grants by year
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
View data table
| 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?
Top 15 of 20 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
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.
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.