Overall rank by patents
#2,540
Across all tracked assignees
USPTO PatentsView assignee record - 153 granted patents across 93 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: H05K (PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS).
The verdict
Flex holds 153 US patents across 93 technology areas, rank #2,540 of 50,000 tracked assignees.
Flex Ltd. has been granted 153 US utility patents between 2015 and 2025, placing Flex Ltd. at rank #2,540 across all assignees tracked by PlainPatent. This portfolio spans 93 distinct Cooperative Patent Classification (CPC) subclasses, averaging 13.5 claims per patent with primary concentration in H05K (PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS). As a Foreign Corporation, Flex Ltd. is one of the broader-portfolio assignees in the PatentsView dataset. By volume, Flex sits between Veniam, Inc. (154 patents, rank #2,536) and Lonza Ltd (153 patents, rank #2,544) - the closest US assignees by grant volume. The composite Innovation Score of 54.0/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.
Filing cadence tells the strategic story. Between 2020 and 2025 the company received 112 grants, compared with 41 in the 2015–2019 window, a +173% shift in five-year velocity. An acceleration of this magnitude signals aggressive R&D investment and expanding technical ambition. The Foreign Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.
Claim depth and technology breadth together indicate competitive posture. Flex Ltd.'s 13.5 average claims per patent sits within the typical range for solid legal coverage without excessive prosecution cost, while a multi-domain presence across 93 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Flex Ltd. against peers pursuing similar technology classes.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
VENIAM, INC.
154 patents
Aurora Flight Sciences Corporation
153 patents
Ballogy, Inc.
153 patents
Enanta Pharmaceuticals, Inc.
153 patents
GOGORO, INC.
153 patents
KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
153 patents
Korea Institute Of Geoscience And Mineral Resources
153 patents
LONZA LTD
153 patents
Flex Ltd.
153 patents
What this shows Flex holds 153 patents at rank #2,540, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #2,540 in granted patent volume.
Other assignees with the most granted patents in Flex's primary technology class.
Flex's Innovation Score vs. every tracked assignee
Composite of portfolio volume, filing velocity, technology breadth, and claim depth (0–100)
54 Top 8% higher than 92% of 50,000 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
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 1 | 0.7% |
| 2018 | 11 | 7.2% |
| 2019 | 29 | 19.0% |
| 2020 | 27 | 17.6% |
| 2021 | 35 | 22.9% |
| 2022 | 23 | 15.0% |
| 2023 | 16 | 10.5% |
| 2024 | 8 | 5.2% |
| 2025 | 3 | 2.0% |
Top 15 of 93 technology areas
Overall rank by patents
#2,540
Across all tracked assignees
54.0 out of 100
How to use this portfolio
Flex's 153 grants land it in the top 8% by Innovation Score, but volume alone doesn't tell you where the strength sits.
Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.
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.