Prosecution Insights
Last updated: October 27, 2026

June Hwu, USPTO Patent Examiner

Listed by the USPTO as HWU, JUNE

Tech Center 1600 • Art Units: 1661 1662

This examiner grants 91% of resolved cases

Performance Statistics

91.3%
Allow Rate
+31.3% vs TC avg
1,784
Total Applications
-2.0%
Interview Lift
546
Avg Prosecution Days
Based on 1780 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
24.5%
§102 Novelty
9.7%
§103 Obviousness
62.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19065085 SOYBEAN VARIETY 5PSDW72 Non-Final OA PIONEER HI-BRED INTERNATIONAL, INC.
19065181 STEM CELL-SPECIFIC PROMOTER FROM SACCHARUM AND METHODS FOR INCREASING FATTY ACID AND/OR OIL ACCUMULATION Non-Final OA The Board of Trustees of the University of Illinois

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Frequently Asked Questions

What is examiner June Hwu's allowance rate?

91.3% of resolved applications examined by June Hwu were allowed (1,780 resolved cases), compared with 91.6% across Art Unit 1661 over the last five years.

Does an interview help with examiner June Hwu?

This examiner's interview lift is -2.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner June Hwu take to allow a patent?

Applications allowed by June Hwu took 546 days on average from filing to allowance.

Which art unit does examiner June Hwu work in?

June Hwu examines applications in Art Unit 1661 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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