Prosecution Insights
Last updated: October 27, 2026

Ryan Huang, USPTO Patent Examiner

Listed by the USPTO as HUANG, RYAN

Tech Center 1700 • Art Units: 1736 1772 1777

This examiner grants 53% of resolved cases

Analysis

HUANG, RYAN works in Tech Center 1700 and Art Unit 1736. Across 567 resolved cases, the allowance rate is 53.1%, the interview lift is 31.1%, and the median time to allowance is 1215 days. The data supports using examiner interviews to address issues directly, while recognizing that allowance may require sustained prosecution effort.

The listed companies include 10x Genomics Inc., King Fahd University of Petroleum and Minerals, and 3M Company. ANDRUS INTELLECTUAL PROPERTY LAW, LLP, Bayramoglu Law Offices LLC, and BIRCH STEWART KOLASCH & BIRCH, LLP are the listed firms. Applicants should coordinate interview preparation with deliberate claim strategy and extended portfolio planning.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

53.1%
Allow Rate
-11.9% vs TC avg
621
Total Applications
+31.1%
Interview Lift
1215
Avg Prosecution Days
Based on 567 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
14.4%
§102 Novelty
50.4%
§103 Obviousness
26.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18606845 METHODS AND SYSTEMS INCLUDING FLOW AND MAGNETIC MODULES Non-Final OA 10x Genomics, Inc.
18192110 POLYSULFONE-BASED MEMBRANE FOR FRACTIONATION OF ERICHROME BLACK T (EBT)/DIVALENT SALTS, AND A METHOD OF MAKING THE SAME Final Rejection KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
17995999 FLOW-THROUGH PROCESSES AND DEVICES FOR PURIFYING A TARGET MOLECULE Non-Final OA Solventum Intellectual Properties Company
18018987 COATED ULTRAFILTRATION DEVICES Final Rejection CORNING INCORPORATED
18834983 PRINTED POROUS STRUCTURE, METHOD AND APPARATUS FOR PRODUCTION THEREOF Non-Final OA Cytiva Sweden AB
17136377 BLOOD FILTERING OF INFLAMMATORY BIOMARKERS TO TREAT POST-RESUSCITATION SYNDROME Non-Final OA ZOLL Medical Corporation
18026661 LAMINATE Non-Final OA DAIKIN INDUSTRIES, LTD.
18352377 MEMBRANE HEAT TREATMENT METHOD Final Rejection NGK INSULATORS, LTD.
18176842 COMPOSITE SEMIPERMEABLE MEMBRANE AND SPIRAL MEMBRANE ELEMENT Non-Final OA NITTO DENKO CORPORATION
18788396 POROUS MEMBRANES FOR FILTRATION MEDIA Non-Final OA DelStar Technologies, Inc.
18168913 WATER FILTRATION ASSEMBLY WITH ENHANCED CONTAMINANT REDUCTION PERFORMANCE Non-Final OA Haier US Appliance Solutions, Inc.
17833146 VESSELS SUCH AS SWIMMING POOLS OR SPAS OMITTING DEDICATED PLUMBED WATER-CIRCULATION SYSTEMS Non-Final OA ZODIAC POOL CARE EUROPE

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Frequently Asked Questions

What is examiner Ryan Huang's allowance rate?

53.1% of resolved applications examined by Ryan Huang were allowed (567 resolved cases), compared with 62.6% across Art Unit 1736 over the last five years.

Does an interview help with examiner Ryan Huang?

This examiner's interview lift is +31.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ryan Huang take to allow a patent?

Applications allowed by Ryan Huang took 1,215 days on average from filing to allowance.

Which art unit does examiner Ryan Huang work in?

Ryan Huang examines applications in Art Unit 1736 in Tech Center 1700 (Chemistry & Materials).

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