Where does Slack Technologies, LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Slack Technologies, LLC ranks #1,651 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 Slack Technologies, LLC hold?

Slack Technologies, LLC holds 249 US utility patents granted between 2018 and 2025, spanning 11 technology areas.

What is Slack Technologies, LLC's Innovation Score?

Slack Technologies, LLC has an Innovation Score of 49.9 out of 100 (top 14% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Slack Technologies, LLC focus on?

Slack Technologies, LLC's top technology area is H04L (Transmission OF Digital Information, e.g. Telegraphic Communication) with 209 patents, ranking #198 of 8,956 assignees active in that subclass. Grants appear in 11 CPC subclasses total.

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

Slack Technologies, LLC's recent grant velocity is +1867% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Slack Technologies, LLC's patents?

Slack Technologies, LLC's patents average 19.3 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 Slack Technologies, 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

Slack Technologies, LLC

USPTO PatentsView assignee record - 249 granted patents across 11 technology areas, recorded in grant years 2018–2025. 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: H04L (Transmission OF Digital Information, e.g. Telegraphic Communication).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Slack ranks #1,651 of 49,997 tracked US assignees by granted-patent volume, with 249 patents across 11 technology areas.

#1,651
of 49,997 US assignees by volume: Top 14%
by Innovation Score (49.9/100): 19.3
avg claims per patent: +1867%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1651 · US Corporation #1,651 · 249 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-SURGE · BOOK-FULL

GRANTS-MID 249 grants
TOP-DECILE #1,651/49,997
PHOTO-FINISH Arkema
CPC-FOCUS H04L · 11 areas
INNOV-PAR 49.9/100
CLAIMS-RICH 19.3 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +1867% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Arkema 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.

How Slack’s 49.9 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 19.1 pts (38%) Velocity 7.5 pts (15%) Breadth 11.7 pts (23%) Claim depth 11.6 pts (23%)

Qualcomm Incorporated · highest

85
Christie Digital… · near

50
Corindus · near

50
Liberty Hardware MFG · near

50
On-Bright (Shanghai) · near

50
Slack · this assignee

50
3D Lighting… · lowest

7

What this shows Slack's Innovation Score is 49.9/100 (top 14% 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 Slack?

Each dot is one of Slack’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). Slack’s own 19.3 claims/patent is ABOVE the 17.5 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Slack's grants concentrate

Slack Technologies, LLC is a focused PatentsView assignee: 11 CPC subclasses with 83.9% of grants classified under H04L (Transmission OF Digital Information, e.g. Telegraphic Communication). Peak complete grant year is 2022 (87 grants) versus a trough of 1 in 2018. By volume, Slack sits between Valinge Innovation AB and Amadeus S.A.S..

Slack's three-year grant acceleration

From 2019–2021 to 2022–2024, Slack Technologies, LLC moved from 116 to 131 grants (1.13x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #904. See the growth leaderboard.

Valinge Innovatio…

250
AS America

249
Arkema

249
Seven Networks

249
Varian Medical Sy…

249
Slack ◀

249
Antecip Bioventur…

248
Activision Publis…

248
Amadeus S

248

What this shows Slack holds 249 patents at rank #1,651, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Slack

By rank, the assignees closest to #1,651 in granted patent volume.

Leaders in H04L (Transmission OF Digital Information)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Slack, neither rank-band nor same-CPC leaders (those blocks stay above). In H04L (Transmission OF Digital Information), Slack ranks #198 of 8,956 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (50 here).

On-Bright Electronics (Shanghai) Co., Ltd. 50 Liberty Hardware MFG. Corp. 50 Christie Digital Systems USA, Inc. 50 Corindus, Inc. 50

Similar claim depth

Nearest assignees by average claims per patent (19.3 here).

Yahoo Assets LLC 19.3 avg Twilio Inc. 19.3 avg Duke University 19.3 avg EMC Corporation 19.3 avg

Slack's Innovation Score vs. every tracked assignee

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

50 Top 14% higher than 86% 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 · 2018–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2018–2019 baseline. Full figures in the table below.

View data table

Slack Technologies, LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	1	0.4%
2019	11	4.4%
2020	34	13.7%
2021	71	28.5%
2022	87	34.9%
2023	42	16.9%
2024	2	0.8%
2025partial year	1	0.4%

Which technologies does Slack Technologies, LLC patent most?

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 209

G06F - Electric Digital Data Processing 141

G06Q - Information AND Communication Technology [ICT] Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory PURPOSES; Systems OR Methods Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory Purposes, NOT Otherwise Provided FOR 75

H04W - Wireless Communication Networks 38

G06N - Computing Arrangements Based ON Specific Computational Models 12

H04M - Telephonic Communication 8

H04N - Pictorial Communication, e.g. Television 5

G06V - Image OR Video Recognition OR Understanding 2

G10L - Speech Analysis Techniques OR Speech SYNTHESIS; Speech RECOGNITION; Speech OR Voice Processing TECHNIQUES; Speech OR Audio Coding OR Decoding 2

G09G - Arrangements OR Circuits FOR Control OF Indicating Devices Using Static Means TO Present Variable Information 2

G06T - Image Data Processing OR Generation, IN General 2

Top 11 of 11 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

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

Slack Technologies, LLC's lead technology class is H04L (Transmission OF Digital Information, e.g. Telegraphic Communication), 83.9% of its portfolio - see every assignee active in that class. Explore H04L
Ranked #1,651 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Slack Technologies, LLC against Valinge Innovation AB, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 49.9/100 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.