USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Tata Steel Limited

USPTO PatentsView assignee record — 37 granted patents across 40 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: F27D (DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE).

37
Total patents granted
40
CPC technology areas
13.8
Avg claims per patent
+47%
5-year filing velocity

Portfolio overview

Tata Steel Limited has been granted 37 US utility patents between 2015 and 2025, placing Tata Steel Limited at rank #8,696 across all assignees tracked by PlainPatent. This portfolio spans 40 distinct Cooperative Patent Classification (CPC) subclasses, averaging 13.8 claims per patent with primary concentration in F27D (DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE). As a Foreign Corporation, Tata Steel Limited is one of the more focused assignees in the PatentsView dataset. The composite Innovation Score of 50.5/100 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 22 grants, compared with 15 in the 2015–2019 window — a +47% 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. Tata Steel Limited's 13.8 average claims per patent sits within the typical range for solid legal coverage without excessive prosecution cost, while a multi-domain presence across 40 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Tata Steel Limited against peers pursuing similar technology classes.

How does Tata compare?

Granted US patents 2015–2025 versus the largest corporate holders — this company marked ◀

patents

What this shows Tata holds 37 patents — placing it at rank #8,696 overall, well behind the volume leaders but ahead of the tens of thousands of smaller assignees in the dataset.

Source USPTO PatentsView — granted utility patents As of 2015–2025

USPTO utility patent grants by year · 2015–2025

0123456 20152016201720182019202020212022202320242025 1
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
Tata Steel Limited patent grants by year, 2015–2025
Year Patents Granted Share of Period
2015 1 2.7%
2016 4 10.8%
2017 4 10.8%
2018 4 10.8%
2019 2 5.4%
2020 5 13.5%
2021 4 10.8%
2022 5 13.5%
2023 3 8.1%
2024 4 10.8%
2025 1 2.7%

Which technologies does Tata Steel Limited patent most?

Top 15 of 40 technology areas

Patent Moat Analysis

Portfolio Volume Light
Tech Breadth Multi-domain
Claim Depth Standard
Velocity Growing

Where it ranks

Overall rank by patents

#8,696

Across all tracked assignees

Innovation Score

50.5 out of 100

View all rankings →

Data Source

USPTO PatentsView — US granted patents 2015–2025

How is Innovation Score calculated?

Frequently Asked Questions

How many patents does Tata Steel Limited hold?
Tata Steel Limited holds 37 US granted patents filed between 2015 and 2025, spanning 40 technology areas.
What is Tata Steel Limited's Innovation Score?
Tata Steel Limited has an Innovation Score of 50.5 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).
What technology areas does Tata Steel Limited focus on?
Tata Steel Limited's top technology area is F27D (DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE) with 13 patents. The company has filed patents in 40 CPC subclasses total.
Is Tata Steel Limited's patent filing rate increasing or decreasing?
Tata Steel Limited's recent filing velocity is +47% compared to the prior five-year period. The company is maintaining or growing its patent output.
What does claim depth mean for Tata Steel Limited's patents?
Tata Steel Limited's patents average 13.8 claims each. This falls within the standard range, providing solid legal coverage.
How is the Tata Steel Limited 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

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.

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