PATLY.AIWhere it is examined
Topic
Quaternary ammonium Steady
458 applications whose title mentions it. Its share of new filings over the last two years is -6% below the four years before.
Allowance rate
73%
−2 pts vs the USPTO 421 decided
Months to first action
17.5 mo
−1.1 vs the USPTO
Applications
458.0
in the record
Allowed
307.0
114 abandoned
Filings by year
How often the topic was filed
The most recent years are still filling in.
Examiners
Who examines it, and how it fares with each
Bars show the share of decided applications that were allowed.
Who files it
Companies and institutions
Bars show the share of decided applications that were allowed.
Who represents them
Law firms and agents
Bars show the share of decided applications that were allowed.
Applications
Recent applications on this topic
| Application | Title | Filed | Status | Rejections | RCEs | To 1st action |
|---|---|---|---|---|---|---|
| 19611341 | ANTIBODY-DRUG CONJUGATE CONTAINING QUATERNARY AMMONIUM SALT AND MEDICAL USE THEREOF | 2026-07-31 | Pending | 0 | 0 | n/a |
| 19599284 | QUATERNARY AMMONIUM COMPOUND AND PHARMACEUTICAL USE THEREOF | 2026-06-18 | Pending | 0 | 0 | n/a |
| 19585117 | BIO-BASED SOY OIL-DERIVED QUATERNARY AMMONIUM SURFACTANTS | 2026-05-06 | Pending | 0 | 0 | n/a |
| 15305633 | Method and apparatus for adaptive signal processing | 2012-01-10 | Allowed | 1 | 0 | 12.0 mo |
| 15926670 | Composition and method for controlled release | 2015-02-11 | Abandoned | 4 | 1 | 23.0 mo |
| 15747554 | Distributed ledger transaction verification | 2018-03-12 | Allowed | 3 | 0 | 20.0 mo |
| 15505327 | Thermal management of battery assemblies | 2021-04-13 | Pending | 2 | 1 | 17.0 mo |
| 15751012 | Machine learning model for anomaly detection | 2012-05-14 | Allowed | 1 | 0 | 14.0 mo |
| 15768117 | Wireless power transfer coil arrangement | 2015-06-15 | Abandoned | 4 | 1 | 25.0 mo |
| 15799770 | Catalyst for selective hydrogenation | 2018-07-16 | Allowed | 3 | 0 | 22.0 mo |