Where does Tocagen Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Tocagen Inc. ranks #27,660 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 Tocagen Inc. hold?

Tocagen Inc. holds 10 US utility patents granted between 2016 and 2019, spanning 7 technology areas.

What is Tocagen Inc.'s Innovation Score?

Tocagen Inc. has an Innovation Score of 32.6 out of 100 (42nd percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Tocagen Inc.'s patent grant rate increasing or decreasing?

Tocagen Inc.'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 Tocagen Inc.'s patents?

Tocagen Inc.'s patents average 25.3 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 Tocagen 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

Tocagen Inc.

Q: What technology areas does Tocagen Inc. focus on?

Tocagen Inc.'s top technology area is A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations) with 8 patents. Grants appear in 7 CPC subclasses total.

USPTO PatentsView assignee record - 10 granted patents across 7 technology areas, recorded in grant years 2016–2019. 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: A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Tocagen ranks #27,660 of 49,997 tracked US assignees by granted-patent volume, with 10 patents across 7 technology areas.

#27,660
of 49,997 US assignees by volume: 42nd percentile
by Innovation Score (32.6/100): 25.3
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R27660 · US Corporation #27,660 · 10 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-DENSE · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 10 grants
MID-PACK #27,660/49,997
PHOTO-FINISH Tinder
CPC-NARROW A61P · 7 areas
INNOV-THIN 32.6/100
CLAIMS-DENSE 25.3 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Tinder, 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.

Qualcomm Incorporated · highest

85
Tocagen · this assignee

33
3D Lighting… · lowest

7

What this shows Tocagen's Innovation Score is 32.6/100 (42nd percentile 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 Tocagen's grants concentrate

Tocagen Inc. is a focused PatentsView assignee: 7 CPC subclasses with 80% of grants classified under A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations). Peak complete grant year is 2017 (4 grants) versus a trough of 1 in 2016. By volume, Tocagen sits between Tinder, Inc. and Trait Biosciences, Inc..

Tinder

10
Tinnus Enterprises

10
Titan Kogyo

10
Titcomb Brothers…

10
Tomocube

10
Top Glove Interna…

10
Total Piping Solu…

10
Trait Biosciences

10
Tocagen ◀

10

What this shows Tocagen holds 10 patents at rank #27,672, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Tocagen

By rank, the assignees closest to #27,672 in granted patent volume.

Leaders in A61P (Specific Therapeutic Activity OF Chemical Compounds OR Me…)

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

Tocagen's Innovation Score vs. every tracked assignee

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

33 42nd percentile higher than 42% 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 · 2016–2019

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Tocagen Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	10.0%
2017	4	40.0%
2018	2	20.0%
2019	3	30.0%

Which technologies does Tocagen Inc. patent most?

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 8

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 8

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 7

C12Y - Enzymes 5

A61N - ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy 1

C12Q - Measuring OR Testing Processes Involving Enzymes, Nucleic Acids OR Microorganisms ; Compositions OR Test Papers THEREFOR; Processes OF Preparing Such COMPOSITIONS; Condition-responsive Control IN Microbiological OR Enzymological Processes 1

C07K - Peptides 1

Top 7 of 7 technology areas

Where it ranks

Overall rank by patents

#27,660

of 49,997 tracked assignees

Innovation Score

32.6 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

Tocagen Inc.'s patent record in context - here's where to go next.

Tocagen Inc.'s lead technology class is A61P (Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations), 80% of its portfolio - see every assignee active in that class. Explore A61P
Ranked #27,660 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Tocagen Inc. against Tinder, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 32.6/100 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.