Where does CaptionCall, LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), CaptionCall, LLC ranks #11,588 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 CaptionCall, LLC hold?

CaptionCall, LLC holds 26 US utility patents granted between 2015 and 2017, spanning 9 technology areas.

What is CaptionCall, LLC's Innovation Score?

CaptionCall, LLC has an Innovation Score of 29.6 out of 100 (31st percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does CaptionCall, LLC focus on?

CaptionCall, LLC's top technology area is H04M (Telephonic Communication) with 14 patents, ranking #346 of 2,488 assignees active in that subclass. Grants appear in 9 CPC subclasses total.

Is CaptionCall, LLC's patent grant rate increasing or decreasing?

CaptionCall, LLC'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 CaptionCall, LLC's patents?

CaptionCall, LLC's patents average 12.7 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 CaptionCall, LLC 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

CaptionCall, LLC

USPTO PatentsView assignee record - 26 granted patents across 9 technology areas, recorded in grant years 2015–2017. 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: H04M (Telephonic Communication).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Captioncall ranks #11,588 of 49,997 tracked US assignees by granted-patent volume, with 26 patents across 9 technology areas.

#11,588
of 49,997 US assignees by volume: 31st percentile
by Innovation Score (29.6/100): 12.7
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R11588 · US Corporation #11,588 · 26 grants

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

GRANTS-SMALL 26 grants
UPPER-Q #11,588/49,997
PHOTO-FINISH Cardiac Assist…
CPC-NARROW H04M · 9 areas
INNOV-THIN 29.6/100
CLAIMS-RICH 12.7 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Cardiac Assist Holdings, LLC (±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.

How Captioncall’s 29.6 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 11.4 pts (39%) Velocity 0.0 pts (0%) Breadth 10.6 pts (36%) Claim depth 7.6 pts (26%)

Qualcomm Incorporated · highest

85
Goldpeak Innovantions · near

30
Apogenix · near

30
CaptionCall · this assignee

30
Encell Technology · near

30
Queen Mary &… · near

30
3D Lighting… · lowest

7

What this shows Captioncall's Innovation Score is 29.6/100 (31st 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.

Does more volume mean deeper claims for Captioncall?

Each dot is one of Captioncall’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Captioncall’s own 12.7 claims/patent is at or below the 15.0 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Captioncall vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Captioncall's grants concentrate

CaptionCall, LLC is a focused PatentsView assignee: 9 CPC subclasses with 53.8% of grants classified under H04M (Telephonic Communication). Peak complete grant year is 2016 (11 grants) versus a trough of 6 in 2015. By volume, Captioncall sits between China International Marine Containers (GROUP) Co., Ltd. and Centre Firearms Co., Inc..

China Internation…

26
China Telecom

26
Cnex Labs

26
CPC Taiwan

26
Cardiac Assist Ho…

26
Caroma Industries

26
Caterpillar Under…

26
Centre Firearms

26
Captioncall ◀

26

What this shows CaptionCall holds 26 patents at rank #11,594, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near CaptionCall

By rank, the assignees closest to #11,594 in granted patent volume.

Leaders in H04M (Telephonic Communication)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for CaptionCall, neither rank-band nor same-CPC leaders (those blocks stay above). In H04M (Telephonic Communication), CaptionCall ranks #346 of 2,488 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (30 here).

Apogenix AG 30 Encell Technology, Inc. 30 Queen Mary & Westfield College, University of London 30 Goldpeak Innovantions Inc. 30

Captioncall's Innovation Score vs. every tracked assignee

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

30 31st percentile higher than 31% 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 · 2015–2017

Grants by year

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

View data table

CaptionCall, LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	6	23.1%
2016	11	42.3%
2017	9	34.6%

Which technologies does CaptionCall, LLC patent most?

H04M - Telephonic Communication 14

G10L - Speech Analysis Techniques OR Speech SYNTHESIS; Speech RECOGNITION; Speech OR Voice Processing TECHNIQUES; Speech OR Audio Coding OR Decoding 6

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 5

H04W - Wireless Communication Networks 5

H04N - Pictorial Communication, e.g. Television 4

G06F - Electric Digital Data Processing 3

H04B - Transmission 3

H04R - Loudspeakers, Microphones, Gramophone Pick-ups OR Like Acoustic Electromechanical TRANSDUCERS; Deaf-aid SETS; Public Address Systems 3

G09B - Educational OR Demonstration APPLIANCES; Appliances FOR Teaching, OR Communicating With, THE Blind, Deaf OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; Diagrams 2

Top 9 of 9 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

CaptionCall, LLC's patent record in context - here's where to go next.

CaptionCall, LLC's lead technology class is H04M (Telephonic Communication), 53.8% of its portfolio - see every assignee active in that class. Explore H04M
Ranked #11,588 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare CaptionCall, LLC against China International Marine Containers (GROUP) Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 29.6/100 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.