Where does Cardica, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Cardica, Inc. ranks #12,859 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 Cardica, Inc. hold?

Cardica, Inc. holds 23 US utility patents granted between 2015 and 2017, spanning 2 technology areas.

What is Cardica, Inc.'s Innovation Score?

Cardica, Inc. has an Innovation Score of 24.5 out of 100 (15th 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 Cardica, Inc. focus on?

Cardica, Inc.'s top technology area is A61B (DIAGNOSIS; SURGERY; Identification) with 23 patents, ranking #784 of 7,127 assignees active in that subclass. Grants appear in 2 CPC subclasses total.

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

Cardica, 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 Cardica, Inc.'s patents?

Cardica, 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 Cardica, 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

Cardica, Inc.

USPTO PatentsView assignee record - 23 granted patents across 2 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: A61B (DIAGNOSIS; SURGERY; Identification).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Cardica ranks #12,859 of 49,997 tracked US assignees by granted-patent volume, with 23 patents across 2 technology areas.

#12,859
of 49,997 US assignees by volume: 15th percentile
by Innovation Score (24.5/100): 14.3
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R12859 · US Corporation #12,859 · 23 grants

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

GRANTS-SMALL 23 grants
MID-PACK #12,859/49,997
PHOTO-FINISH Cadwell Laboratories
CPC-NARROW A61B · 2 areas
INNOV-THIN 24.5/100
CLAIMS-RICH 14.3 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Cadwell Laboratories, 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 Cardica’s 24.5 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 11.0 pts (45%) Velocity 0.0 pts (0%) Breadth 5.0 pts (20%) Claim depth 8.6 pts (35%)

Qualcomm Incorporated · highest

85
Cardica · this assignee

25
3D Lighting… · lowest

7

What this shows Cardica's Innovation Score is 24.5/100 (15th 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 Cardica?

Each dot is one of Cardica’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). Cardica’s own 14.3 claims/patent is at or below the 15.9 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Cardica's grants concentrate

Cardica, Inc. is a focused PatentsView assignee: 2 CPC subclasses with 100% of grants classified under A61B (DIAGNOSIS; SURGERY; Identification). Peak complete grant year is 2015 (12 grants) versus a trough of 3 in 2017. By volume, Cardica sits between Crystal Pharmatech Co., Ltd. and Chromera, Inc..

Crystal Pharmatech

23
Ctera Networks

23
Cadwell Laborator…

23
Cagent Vascular

23
Cequent Consumer…

23
Chemische Fabrik…

23
Cheng Shin Rubber…

23
Chromera

23
Cardica ◀

23

What this shows Cardica holds 23 patents at rank #12,871, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Cardica

By rank, the assignees closest to #12,871 in granted patent volume.

Leaders in A61B (Diagnosis)

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

Cardica's Innovation Score vs. every tracked assignee

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

25 15th percentile higher than 15% 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

Cardica, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	12	52.2%
2016	8	34.8%
2017	3	13.0%

Which technologies does Cardica, Inc. patent most?

A61B - DIAGNOSIS; SURGERY; Identification 23

B21G - Making Needles, Pins OR Nails OF Metal 1

Top 2 of 2 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

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

Cardica, Inc.'s lead technology class is A61B (DIAGNOSIS; SURGERY; Identification), 100% of its portfolio - see every assignee active in that class. Explore A61B
Ranked #12,859 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Cardica, Inc. against Crystal Pharmatech Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 24.5/100 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.