Prosecution Insights
Last updated: October 02, 2026

Examiner: PAYER, HWEI-SIU C

Tech Center 3700 • Art Units: 3665 3724 3799

This examiner grants 74% of resolved cases

Analysis

Hwei-Siu C. Payer is an examiner in Tech Center 3700 and Art Unit 3665. She has a high volume of 1470 resolved cases, resulting in an allowance rate of 73.9%. This rate suggests that a majority of the applications she handles are granted. The median days to allowance for these cases is 882. A significant feature of her profile is the interview lift of 30.0%.

This figure indicates that conducting an interview is a statistically effective strategy for increasing the probability of an allowance. Practitioners should consider requesting an interview to address any rejections or objections in Art Unit 3665. The 1470 resolved cases provide a very strong foundation for these observations. The combination of a 73.9% allowance rate and a 30.0% interview lift points to a prosecution environment where active dialogue with the examiner is highly beneficial. Applicants can expect a median timeline of 882 days for their applications to reach a final grant.

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

Performance Statistics

73.9%
Allow Rate
+3.9% vs TC avg
1,511
Total Applications
+30.0%
Interview Lift
882
Avg Prosecution Days
Based on 1470 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
20.5%
§102 Novelty
37.7%
§103 Obviousness
35.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18829892 BLADE FOR RECIPROCATING SAW AND RECIPROCATING SAW Non-Final OA MAKITA CORPORATION
18927069 Bolt Cutter Non-Final OA Milwaukee Electric Tool Corporation
18920205 JAW BIASING ASSEMBLY FOR A POWER TOOL Non-Final OA Milwaukee Electric Tool Corporation
18920149 Tool, Machine Tool System, and Method of Operating the Tool Non-Final OA Robert Bosch GmbH
18677963 Handheld work apparatus Non-Final OA Andreas Stihl AG & Co. KG
18917871 RAZOR CARTRIDGE AND RAZOR ASSEMBLY INCLUDING THE SAME Non-Final OA DORCO CO., LTD.
18612464 CHAINSAW AND DRIVE SYSTEM THEREFOR Non-Final OA Techtronic Cordless GP
17987278 METHOD OF MANUFACTURING A KNIFE BLADE AND KNIFE BLADE Final Rejection Fiskars Finland Oy Ab

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