Overall rank by patents
#47,453
Across all tracked assignees
USPTO PatentsView assignee record - 5 granted patents across 7 technology areas, active 2015–2024. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: A61P (SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS).
The verdict
Hangzhou holds 5 US patents across 7 technology areas, rank #47,453 of 50,000 tracked assignees.
Hangzhou Adamerck Pharmlabs, Inc. has been granted 5 US utility patents between 2015 and 2024, placing Hangzhou Adamerck Pharmlabs, Inc. at rank #47,453 across all assignees tracked by PlainPatent. This portfolio spans 7 distinct Cooperative Patent Classification (CPC) subclasses, averaging 10.0 claims per patent with primary concentration in A61P (SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS). As a Foreign Corporation, Hangzhou Adamerck Pharmlabs, Inc. is one of the more focused assignees in the PatentsView dataset. By volume, Hangzhou sits between Hammelmann Gmbh (5 patents, rank #47,449) and Hanning Elektro-werke Gmbh & Co. KG (5 patents, rank #47,457) - the closest US assignees by grant volume. The composite Innovation Score of 28.2/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.
Filing cadence tells the strategic story. Between 2020 and 2025 the company received 2 grants, compared with 3 in the 2015–2019 window, a -33% shift in five-year velocity. A cooling filing rate may reflect portfolio consolidation, shifting priorities, or reduced R&D throughput. The Foreign Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.
Claim depth and technology breadth together indicate competitive posture. Hangzhou Adamerck Pharmlabs, Inc.'s 10.0 average claims per patent suggests focused, narrowly drawn claims typical of single-invention filings, while concentration in 7 subclasses points to a focused technical program. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Hangzhou Adamerck Pharmlabs, Inc. against peers pursuing similar technology classes.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Hammelmann GmbH
5 patents
Hammerhead Group, LLC
5 patents
Handbag Heidi LLC
5 patents
Handle Financial, Inc.
5 patents
Hangzhou Leibo Industrial Co., Ltd.
5 patents
Hangzhou Tanlink Technology Co., Ltd.
5 patents
Hangzhou Yameilijia Technology Co., Ltd
5 patents
Hanning Elektro-Werke GmbH & Co. KG
5 patents
Hangzhou Adamerck Pharmlabs, Inc.
5 patents
What this shows Hangzhou holds 5 patents at rank #47,453, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #47,453 in granted patent volume.
Other assignees with the most granted patents in Hangzhou's primary technology class.
Hangzhou's Innovation Score vs. every tracked assignee
Composite of portfolio volume, filing velocity, technology breadth, and claim depth (0–100)
28 Top 74% higher than 26% 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
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 1 | 20.0% |
| 2016 | 1 | 20.0% |
| 2018 | 1 | 20.0% |
| 2020 | 1 | 20.0% |
| 2024 | 1 | 20.0% |
Top 7 of 7 technology areas
Overall rank by patents
#47,453
Across all tracked assignees
28.2 out of 100
How to use this portfolio
Hangzhou's 5 grants land it in the top 74% by Innovation Score, but volume alone doesn't tell you where the strength sits.
Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.
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.