Where does Silk Road Medical, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Silk Road Medical, Inc. ranks #4,432 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 Silk Road Medical, Inc. hold?

Silk Road Medical, Inc. holds 80 US utility patents granted between 2015 and 2025, spanning 5 technology areas.

What is Silk Road Medical, Inc.'s Innovation Score?

Silk Road Medical, Inc. has an Innovation Score of 36.1 out of 100 (top 47% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Silk Road Medical, Inc.'s patent grant rate increasing or decreasing?

Silk Road Medical, Inc.'s recent grant velocity is -8% 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 Silk Road Medical, Inc.'s patents?

Silk Road Medical, Inc.'s patents average 14.3 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 Silk Road Medical, 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

Silk Road Medical, Inc.

Q: What technology areas does Silk Road Medical, Inc. focus on?

Silk Road Medical, Inc.'s top technology area is A61M (Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor) with 77 patents, ranking #96 of 3,490 assignees active in that subclass. Grants appear in 5 CPC subclasses total.

USPTO PatentsView assignee record - 80 granted patents across 5 technology areas, recorded in grant years 2015–2025. 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: A61M (Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Silk ranks #4,432 of 49,997 tracked US assignees by granted-patent volume, with 80 patents across 5 technology areas.

#4,432
of 49,997 US assignees by volume: Top 47%
by Innovation Score (36.1/100): 14.3
avg claims per patent: -8%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R4432 · US Corporation #4,432 · 80 grants

GRANTS-SMALL · TOP-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-USCORP · VEL-FLAT · BOOK-FULL

GRANTS-SMALL 80 grants
TOP-DECILE #4,432/49,997
PHOTO-FINISH SK Biopharmaceuticals
CPC-NARROW A61M · 5 areas
INNOV-THIN 36.1/100
CLAIMS-RICH 14.3 claims/avg
TYPE-USCORP US Corporation
VEL-FLAT -8% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: SK Biopharmaceuticals Co., Ltd. (±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 Silk’s 36.1 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 15.2 pts (42%) Velocity 4.4 pts (12%) Breadth 7.9 pts (22%) Claim depth 8.6 pts (24%)

Qualcomm Incorporated · highest

85
Emisshield · near

36
Intersurgical · near

36
Lutonix · near

36
Mitsubishi Heavy… · near

36
Silk Road Medical · this assignee

36
3D Lighting… · lowest

7

What this shows Silk's Innovation Score is 36.1/100 (top 47% 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 Silk?

Each dot is one of Silk’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). Silk’s own 14.3 claims/patent is at or below the 15.2 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Silk's grants concentrate

Silk Road Medical, Inc. is a focused PatentsView assignee: 5 CPC subclasses with 96.3% of grants classified under A61M (Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor). Peak complete grant year is 2019 (14 grants) versus a trough of 4 in 2018. By volume, Silk sits between SK Biopharmaceuticals Co., Ltd. and Tenacious Holdings, Inc..

Silk's three-year grant acceleration

From 2019–2021 to 2022–2024, Silk Road Medical, Inc. moved from 30 to 20 grants (0.67x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

SK Biopharmaceuti…

80
Soken

80
SPM Oil & Gas

80
Sumitomo Heavy In…

80
Southern Research…

80
Syniverse

80
Toyo INK SC Holdi…

80
Tenacious Holdings

80
Silk Road Medical ◀

80

What this shows Silk holds 80 patents at rank #4,436, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Silk

By rank, the assignees closest to #4,436 in granted patent volume.

Leaders in A61M (Devices FOR Introducing Media Into)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Silk, neither rank-band nor same-CPC leaders (those blocks stay above). In A61M (Devices FOR Introducing Media Into), Silk ranks #96 of 3,490 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (36 here).

Intersurgical AG 36 Mitsubishi Heavy Industries Automotive Thermal Systems, Ltd. 36 Lutonix, Inc. 36 Emisshield, Inc. 36

Similar claim depth

Nearest assignees by average claims per patent (14.3 here).

Rohinni, Inc. 14.3 avg Plansee SE 14.3 avg NxStage Medical, Inc. 14.3 avg Microport Orthopedics Holdings, Inc. 14.3 avg

Silk's Innovation Score vs. every tracked assignee

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

36 Top 47% higher than 53% 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 · 2015–2025

Grants by year

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

View data table

Silk Road Medical, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	5	6.3%
2016	7	8.8%
2017	9	11.3%
2018	4	5.0%
2019	14	17.5%
2020	6	7.5%
2021	10	12.5%
2022	5	6.3%
2023	4	5.0%
2024	11	13.8%
2025partial year	5	6.3%

Which technologies does Silk Road Medical, Inc. patent most?

A61M - Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor 77

A61B - DIAGNOSIS; SURGERY; Identification 73

A61F - Filters Implantable Into Blood VESSELS; PROSTHESES; Devices Providing Patency TO, OR Preventing Collapsing OF, Tubular Structures OF THE Body, e.g. STENTS; Orthopaedic, Nursing OR Contraceptive DEVICES; FOMENTATION; Treatment OR Protection OF Eyes OR EARS; Bandages, Dressings OR Absorbent PADS; Firs 42

G11B - Information Storage Based ON Relative Movement Between Record Carrier AND Transducer 11

A61N - ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy 6

Top 5 of 5 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

Silk Road Medical, Inc.'s patent record in context - here's where to go next.

Silk Road Medical, Inc.'s lead technology class is A61M (Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor), 96.3% of its portfolio - see every assignee active in that class. Explore A61M
Ranked #4,432 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Silk Road Medical, Inc. against SK Biopharmaceuticals Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 36.1/100 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.