Prosecution Insights
Last updated: October 26, 2026

Paul Sang Hwa Hyun, USPTO Patent Examiner

Listed by the USPTO as HYUN, PAUL SANG HWA

Tech Center 1700 • Art Units: 1678 1772 1796 1797 1798 1799

This examiner grants 70% of resolved cases

Analysis

HYUN, PAUL SANG HWA is assigned to tech center 1700 and art unit 1678. The profile includes 855 resolved cases, a 69.8% allowance rate, and a median of 1251 days to allowance. The 36.3% interview lift is strongly positive, indicating that interviews are an important prosecution tool in a record where allowance is achievable but not routine.

Thermo Fisher Scientific, Safran S.A., and 10x Genomics Inc. are the leading companies. Advent, LLP, Armis Intellectual Property Law, LLC, and Ascenda Law Group, PC are the listed firms. Practitioners may benefit from planning interviews around the principal rejection theories and pairing them with technically grounded amendments, while allowing sufficient time for a longer median path to allowance.

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

Performance Statistics

69.8%
Allow Rate
+4.8% vs TC avg
902
Total Applications
+36.3%
Interview Lift
1251
Avg Prosecution Days
Based on 855 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
21.1%
§102 Novelty
40.8%
§103 Obviousness
33.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18700575 METHOD FOR THE QUANTITATIVE MEASUREMENT OF AN ELEMENT IN A PIECE Non-Final OA SAFRAN HELICOPTER ENGINES
18175885 DEVICES AND METHODS FOR FLOW CELL ASSEMBLY AND DISASSEMBLY Non-Final OA 10x Genomics, Inc.
18699143 CORROSION ESTIMATION METHOD AND SYSTEM Non-Final OA Nippon Telegraph and Telephone Corporation
17912873 MOLDED MICROFLUIDIC SUBSTRATE HAVING MICROFLUIDIC CHANNEL Non-Final OA Hewlett-Packard Development Company, L.P.
17813954 MICROFLUIDIC CHIPS WITH ONE OR MORE VIAS Final Rejection International Business Machines Corporation
18209980 LABORATORY AUTOMATION USING LABWARE MOVEMENT Final Rejection Life Technologies Corporation
18055064 Chromatography Baseline Stability Non-Final OA Dionex Corporation
18580695 SYSTEM FOR DISSOCIATION OF SOLID BIOPSY AND A METHOD FOR INSPECTION Non-Final OA Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.

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Frequently Asked Questions

What is examiner Paul Sang Hwa Hyun's allowance rate?

69.8% of resolved applications examined by Paul Sang Hwa Hyun were allowed (855 resolved cases), compared with 43.0% across Art Unit 1678 over the last five years.

Does an interview help with examiner Paul Sang Hwa Hyun?

This examiner's interview lift is +36.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Paul Sang Hwa Hyun take to allow a patent?

Applications allowed by Paul Sang Hwa Hyun took 1,251 days on average from filing to allowance.

Which art unit does examiner Paul Sang Hwa Hyun work in?

Paul Sang Hwa Hyun examines applications in Art Unit 1678 in Tech Center 1700 (Chemistry & Materials).

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