Overall rank by patents
#3,278
Across all tracked assignees
USPTO 2015–2025 USPTO PatentsView Foreign Corporation
EXFO Inc.
USPTO PatentsView assignee record — 114 granted patents across 21 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: G01M (TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR).
114
Total patents granted
21
CPC technology areas
15.1
Avg claims per patent
+11%
5-year filing velocity
Portfolio overview
EXFO Inc. has been granted 114 US utility patents between 2015 and 2025, placing EXFO Inc. at rank #3,278 across all assignees tracked by PlainPatent. This portfolio spans 21 distinct Cooperative Patent Classification (CPC) subclasses, averaging 15.1 claims per patent with primary concentration in G01M (TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR). As a Foreign Corporation, EXFO Inc. is one of the more focused assignees in the PatentsView dataset. The composite Innovation Score of 48.5/100 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 60 grants, compared with 54 in the 2015–2019 window — a +11% shift in five-year velocity. Steady filing volume suggests sustained innovation without dramatic pivots. 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. EXFO Inc.'s 15.1 average claims per patent sits within the typical range for solid legal coverage without excessive prosecution cost, while a multi-domain presence across 21 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark EXFO Inc. against peers pursuing similar technology classes.
How does EXFO compare?
Granted US patents 2015–2025 versus the largest corporate holders — this company marked ◀
- Samsung
SAMSUNG ELECTRONICS CO., LTD.
106,890 patents
- International Bus…
International Business Machines Corporation
72,926 patents
- Canon 34,378
Canon Kabushiki Kaisha
34,378 patents
- LG 32,607
LG ELECTRONICS INC.
32,607 patents
- Taiwan Semiconduc… 31,041
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
31,041 patents
- Apple 30,560
Apple Inc.
30,560 patents
- Qualcomm Incorpor… 30,354
QUALCOMM Incorporated
30,354 patents
- Intel 27,498
Intel Corporation
27,498 patents
- EXFO ◀ 114
EXFO Inc.
114 patents
What this shows EXFO holds 114 patents — placing it at rank #3,278 overall, well behind the volume leaders but ahead of the tens of thousands of smaller assignees in the dataset.
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
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 7 | 6.1% |
| 2016 | 11 | 9.6% |
| 2017 | 18 | 15.8% |
| 2018 | 9 | 7.9% |
| 2019 | 9 | 7.9% |
| 2020 | 9 | 7.9% |
| 2021 | 14 | 12.3% |
| 2022 | 16 | 14.0% |
| 2023 | 7 | 6.1% |
| 2024 | 10 | 8.8% |
| 2025 | 4 | 3.5% |
Which technologies does EXFO Inc. patent most?
Top 15 of 21 technology areas
Patent Moat Analysis
Portfolio Volume Moderate
Tech Breadth Multi-domain
Claim Depth Standard
Velocity Growing
Frequently Asked Questions
How many patents does EXFO Inc. hold?
EXFO Inc. holds 114 US granted patents filed between 2015 and 2025, spanning 21 technology areas.
What is EXFO Inc.'s Innovation Score?
EXFO Inc. has an Innovation Score of 48.5 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).
What technology areas does EXFO Inc. focus on?
EXFO Inc.'s top technology area is G01M (TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR) with 47 patents. The company has filed patents in 21 CPC subclasses total.
Is EXFO Inc.'s patent filing rate increasing or decreasing?
EXFO Inc.'s recent filing velocity is +11% compared to the prior five-year period. The company is maintaining or growing its patent output.
What does claim depth mean for EXFO Inc.'s patents?
EXFO Inc.'s patents average 15.1 claims each. This falls within the standard range, providing solid legal coverage.
How is the EXFO 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.
Learn More
Explore the patent dataset
G01M technology
EXFO Inc.'s primary CPC class — all holders and yearly trends
Top 50 patent holders
See where EXFO Inc. ranks among the largest US patent assignees
All technology classes
Browse every CPC technology area by patent activity
How the score works
The four dimensions behind the Innovation Score
Related
Data sourced from USPTO PatentsView — official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial
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.
All federal data sources used on this page
- USPTO PatentsView — official U.S. Patent and Trademark Office bulk patent data. patentsview.org
- USPTO Patent Application Information Retrieval (PAIR) — application status and file history. uspto.gov/patents/pair
- USPTO Bulk Data Storage System — comprehensive patent text + claims dataset. bulkdata.uspto.gov
- USPTO CPC Classification — Cooperative Patent Classification scheme for technology categorization. uspto.gov/cpc
- SEC EDGAR — public filings cross-reference for assignee corporate entity matching. sec.gov/edgar
- WIPO PATENTSCOPE — international patent context (related international filings). wipo.int/patentscope
