Where does Qlogic Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Qlogic Corporation ranks #3,939 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 Qlogic Corporation hold?

Qlogic Corporation holds 92 US utility patents granted between 2015 and 2017, spanning 8 technology areas.

What is Qlogic Corporation's Innovation Score?

Qlogic Corporation has an Innovation Score of 36.9 out of 100 (top 45% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Qlogic Corporation focus on?

Qlogic Corporation's top technology area is H04L (Transmission OF Digital Information, e.g. Telegraphic Communication) with 63 patents, ranking #551 of 8,956 assignees active in that subclass. Grants appear in 8 CPC subclasses total.

Is Qlogic Corporation's patent grant rate increasing or decreasing?

Qlogic Corporation'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 Qlogic Corporation's patents?

Qlogic Corporation's patents average 18.8 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 Qlogic Corporation 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

Qlogic Corporation

USPTO PatentsView assignee record - 92 granted patents across 8 technology areas, recorded in grant years 2015–2017. 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

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Qlogic ranks #3,939 of 49,997 tracked US assignees by granted-patent volume, with 92 patents across 8 technology areas.

#3,939
of 49,997 US assignees by volume: Top 45%
by Innovation Score (36.9/100): 18.8
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R3939 · US Corporation #3,939 · 92 grants

GRANTS-SMALL · TOP-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 92 grants
TOP-DECILE #3,939/49,997
PHOTO-FINISH Nautilus
CPC-NARROW H04L · 8 areas
INNOV-THIN 36.9/100
CLAIMS-RICH 18.8 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Nautilus, 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 Qlogic’s 36.9 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 15.7 pts (42%) Velocity 0.0 pts (0%) Breadth 10.0 pts (27%) Claim depth 11.3 pts (31%)

Qualcomm Incorporated · highest

85
Crocus Technology · near

37
IML International · near

37
Keystone Retaining… · near

37
Qlogic · this assignee

37
Wuxi Hisky Medical · near

37
3D Lighting… · lowest

7

What this shows Qlogic's Innovation Score is 36.9/100 (top 45% 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 Qlogic?

Each dot is one of Qlogic’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). Qlogic’s own 18.8 claims/patent is ABOVE the 14.0 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Qlogic vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Qlogic's grants concentrate

Qlogic Corporation is a focused PatentsView assignee: 8 CPC subclasses with 68.5% of grants classified under H04L (Transmission OF Digital Information, e.g. Telegraphic Communication). Peak complete grant year is 2015 (42 grants) versus a trough of 12 in 2017. By volume, Qlogic sits between Nautilus, Inc. and Schreder S.A..

Nautilus

92
Nicoventures Hold…

92
Orbital Research

92
Puzhen Life

92
Safran Landing Sy…

92
Saint-gobain Cent…

92
Saucony

92
Schreder

92
Qlogic ◀

92

What this shows Qlogic holds 92 patents at rank #3,939, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Qlogic

By rank, the assignees closest to #3,939 in granted patent volume.

Leaders in H04L (Transmission OF Digital Information)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Qlogic, neither rank-band nor same-CPC leaders (those blocks stay above). In H04L (Transmission OF Digital Information), Qlogic ranks #551 of 8,956 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (37 here).

Keystone Retaining Wall Systems, LLC 37 IML International 37 Crocus Technology Inc. 37 Wuxi Hisky Medical Technologies Co., Ltd. 37

Similar claim depth

Nearest assignees by average claims per patent (18.8 here).

Livsmed Inc. 18.8 avg Wing Aviation LLC 18.8 avg Verb Surgical Inc. 18.8 avg Advanced Bionics AG 18.8 avg

Qlogic's Innovation Score vs. every tracked assignee

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

37 Top 45% higher than 55% 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 · 2015–2017

Grants by year

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

View data table

Qlogic Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	42	45.7%
2016	38	41.3%
2017	12	13.0%

Which technologies does Qlogic Corporation patent most?

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 63

G06F - Electric Digital Data Processing 51

H04W - Wireless Communication Networks 2

Y02D - Climate Change Mitigation Technologies IN Information AND Communication Technologies [ICT], I.E. Information AND Communication Technologies Aiming AT THE Reduction OF Their OWN Energy USE 2

H04N - Pictorial Communication, e.g. Television 1

H04Q - Selecting 1

H04J - Multiplex Communication 1

H03M - CODING; DECODING; Code Conversion IN General 1

Top 8 of 8 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Qlogic Corporation's patent record in context - here's where to go next.

Qlogic Corporation's lead technology class is H04L (Transmission OF Digital Information, e.g. Telegraphic Communication), 68.5% of its portfolio - see every assignee active in that class. Explore H04L
Ranked #3,939 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Qlogic Corporation against Nautilus, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 36.9/100 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.