Where does Proterra Ag, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Proterra Ag, Inc. ranks #5,179 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 Proterra Ag, Inc. hold?

Proterra Ag, Inc. holds 67 US utility patents granted between 2015 and 2023, spanning 31 technology areas.

What is Proterra Ag, Inc.'s Innovation Score?

Proterra Ag, Inc. has an Innovation Score of 47.9 out of 100 (top 18% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Proterra Ag, Inc.'s patent grant rate increasing or decreasing?

Proterra Ag, Inc.'s recent grant velocity is -48% 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 Proterra Ag, Inc.'s patents?

Proterra Ag, Inc.'s patents average 18.9 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 Proterra Ag, 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.

USPTO 2015–2025 USPTO PatentsView US Corporation

Proterra Ag, Inc.

Q: What technology areas does Proterra Ag, Inc. focus on?

Proterra Ag, Inc.'s top technology area is Y02T (Climate Change Mitigation Technologies Related TO Transportation) with 60 patents. Grants appear in 31 CPC subclasses total.

USPTO PatentsView assignee record - 67 granted patents across 31 technology areas, recorded in grant years 2015–2023. 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: Y02T (Climate Change Mitigation Technologies Related TO Transportation).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Proterra ranks #5,179 of 49,997 tracked US assignees by granted-patent volume, with 67 patents across 31 technology areas.

#5,179
of 49,997 US assignees by volume: Top 18%
by Innovation Score (47.9/100): 18.9
avg claims per patent: -48%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R5179 · US Corporation #5,179 · 67 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 67 grants
UPPER-Q #5,179/49,997
PHOTO-FINISH National University…
CPC-FOCUS Y02T · 31 areas
INNOV-PAR 47.9/100
CLAIMS-RICH 18.9 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -48% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: National University of Ireland, Galway (±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.

Qualcomm Incorporated · highest

85
Thin Film ASA · near

48
Uniwersytet… · near

48
Amphenol Commercial… · near

48
Oulun yliopisto · near

48
Proterra · this assignee

48
3D Lighting… · lowest

7

What this shows Proterra's Innovation Score is 47.9/100 (top 18% 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.

Where Proterra's grants concentrate

Proterra Ag, Inc. is a focused PatentsView assignee: 31 CPC subclasses with 89.6% of grants classified under Y02T (Climate Change Mitigation Technologies Related TO Transportation). Peak complete grant year is 2016 (16 grants) versus a trough of 2 in 2015. By volume, Proterra sits between National University of Ireland, Galway and Sony Interactive Entertainment Europe Limited.

Proterra's three-year grant acceleration

From 2019–2021 to 2022–2024, Proterra Ag, Inc. moved from 23 to 8 grants (0.35x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

National Universi…

67
Oncotherapy Scien…

67
Optos

67
Preh

67
Shengyi Technology

67
SJ Semiconductor…

67
Shenzhen Tize Tec…

67
Sony Interactive…

67
Proterra ◀

67

What this shows Proterra holds 67 patents at rank #5,179, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Proterra

By rank, the assignees closest to #5,179 in granted patent volume.

Leaders in Y02T (Climate Change Mitigation Technologies Related TO Transpo…)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Proterra, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (48 here).

Amphenol Commercial Products (Chengdu) Co., Ltd. 48 Oulun yliopisto 48 Uniwersytet Jagiellonski 48 Thin Film Electronics ASA 48

Similar claim depth

Nearest assignees by average claims per patent (18.9 here).

NantOmics, LLC 18.9 avg Commvault Systems, Inc. 18.9 avg T-Mobile USA, Inc. 18.9 avg Mitek Systems, Inc. 18.9 avg

Proterra's Innovation Score vs. every tracked assignee

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

48 Top 18% higher than 82% 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 · 2015–2023

Grants by year

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

View data table

Proterra Ag, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	3.0%
2016	16	23.9%
2017	8	11.9%
2018	10	14.9%
2019	8	11.9%
2020	9	13.4%
2021	6	9.0%
2022	5	7.5%
2023	3	4.5%

Which technologies does Proterra Ag, Inc. patent most?

Y02T - Climate Change Mitigation Technologies Related TO Transportation 60

B60L - Propulsion OF Electrically-propelled Vehicles ; Supplying Electric Power FOR Auxiliary Equipment OF Electrically-propelled Vehicles ; Electrodynamic Brake Systems FOR Vehicles IN General ; Magnetic Suspension OR Levitation FOR VEHICLES; Monitoring Operating Variables OF Electrically-propelled Vehicl 59

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 25

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 17

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 16

Y04S - Systems Integrating Technologies Related TO Power Network Operation, Communication OR Information Technologies FOR Improving THE Electrical Power Generation, Transmission, Distribution, Management OR Usage, i.e. Smart Grids 15

B60M - Power Supply Lines, AND Devices Along Rails, FOR Electrically- Propelled Vehicles 12

B60Y - Indexing Scheme Relating TO Aspects Cross-cutting Vehicle Technology 11

B60W - Conjoint Control OF Vehicle Sub-units OF Different Type OR Different FUNCTION; Control Systems Specially Adapted FOR Hybrid VEHICLES; Road Vehicle Drive Control Systems FOR Purposes NOT Related TO THE Control OF A Particular Sub-unit 10

B60K - Arrangement OR Mounting OF Propulsion Units OR OF Transmissions IN VEHICLES; Arrangement OR Mounting OF Plural Diverse Prime-movers IN VEHICLES; Auxiliary Drives FOR VEHICLES; Instrumentation OR Dashboards FOR VEHICLES; Arrangements IN Connection With Cooling, AIR Intake, GAS Exhaust OR Fuel Supply 9

B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR 7

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 6

B62D - Motor VEHICLES; Trailers 5

A01G - HORTICULTURE; Cultivation OF Vegetables, Flowers, Rice, Fruit, Vines, Hops OR SEAWEED; FORESTRY; Watering 3

H02H - Emergency Protective Circuit Arrangements 2

Top 15 of 31 technology areas

Where it ranks

Overall rank by patents

#5,179

of 49,997 tracked assignees

Innovation Score

47.9 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Proterra Ag, Inc.'s patent record in context - here's where to go next.

Proterra Ag, Inc.'s lead technology class is Y02T (Climate Change Mitigation Technologies Related TO Transportation), 89.6% of its portfolio - see every assignee active in that class. Explore Y02T
Ranked #5,179 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Proterra Ag, Inc. against National University of Ireland, Galway, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 47.9/100 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.