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

According to USPTO PatentsView (2015–2025 granted utility patents), Relypsa, Inc. ranks #21,682 of 50,000 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Relypsa, Inc. hold?

Relypsa, Inc. holds 13 US utility patents granted between 2015 and 2019, spanning 6 technology areas.

What is Relypsa, Inc.'s Innovation Score?

Relypsa, Inc. has an Innovation Score of 29.4 out of 100 (top 69% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

Relypsa, 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 Relypsa, Inc.'s patents?

Relypsa, Inc.'s patents average 19.5 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 Relypsa, 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

Relypsa, Inc.

Q: What technology areas does Relypsa, Inc. focus on?

Relypsa, Inc.'s top technology area is A61P (SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS) with 7 patents. Grants appear in 6 CPC subclasses total.

USPTO PatentsView assignee record - 13 granted patents across 6 technology areas, recorded in grant years 2015–2019. 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

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Relypsa ranks #21,682 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 6 technology areas.

#21,682
of 50,000 US assignees by volume: Top 69%
by Innovation Score (29.4/100): 19.5
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R21682 · US Corporation #21,682 · 13 grants

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

GRANTS-MICRO 13 grants
MID-PACK #21,682/50,000
PHOTO-FINISH Refratechnik Holding
CPC-NARROW A61P · 6 areas
INNOV-THIN 29.4/100
CLAIMS-RICH 19.5 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Refratechnik Holding Gmbh (±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
Relypsa · this assignee

29
3D Lighting Innovati… · lowest

7

What this shows Relypsa's Innovation Score is 29.4/100 (top 69% 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 Relypsa's grants concentrate

Relypsa, Inc. is a focused PatentsView assignee: 6 CPC subclasses with 53.8% of grants classified under A61P (SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS). Peak complete grant year is 2016 (5 grants) versus a trough of 1 in 2019. By volume, Relypsa sits between Refratechnik Holding Gmbh and Rhode Island Board Of Education, State Of Rhode Island And Providence Plantations.

Refratechnik Hold…

13
Regenlab USA

13
Relamp

13
Relay Therapeutics

13
Renovia

13
Respiratory Motion

13
Retailnext

13
Rhode Island Boar…

13
Relypsa ◀

13

What this shows Relypsa holds 13 patents at rank #21,695, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Relypsa

By rank, the assignees closest to #21,695 in granted patent volume.

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

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

Relypsa's Innovation Score vs. every tracked assignee

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

29 Top 69% higher than 31% of 50,000 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 · 2015–2019

Grants by year

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

View data table

Relypsa, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	15.4%
2016	5	38.5%
2017	2	15.4%
2018	3	23.1%
2019	1	7.7%

Which technologies does Relypsa, Inc. patent most?

A61P - SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS 7

A61K - PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES 7

C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 5

C07C - ACYCLIC OR CARBOCYCLIC COMPOUNDS 3

B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2

C08G - MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS 1

Top 6 of 6 technology areas

Where it ranks

Overall rank by patents

#21,682

of 50,000 tracked assignees

Innovation Score

29.4 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

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.