Prosecution Insights
Last updated: October 25, 2026

Yen Le Southwood, USPTO Patent Examiner

Listed by the USPTO as SOUTHWOOD, YEN LE

Tech Center 2900 • Art Units: 2918 2922 2938

This examiner grants 98% of resolved cases

Analysis

SOUTHWOOD, YEN LE works in tech center 2900 and art unit 2918. The record shows 177 resolved cases, a 97.7% allowance rate, and a median of 674 days to allowance. The allowance rate is high within the available profile, and the median timing supplies a direct reference for expected prosecution duration.

Interviews are associated with a 2.5% lift in allowance rate. The leading companies are Guangdong Woodsun Housewares Co. Ltd. and Stor S L. Muncy, Geissler, Olds & Lowe, P.C. is the only listed leading firm. The concentrated company and firm representation may help practitioners identify relevant filing experience when reviewing comparable matters.

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

Performance Statistics

97.7%
Allow Rate
+37.7% vs TC avg
189
Total Applications
+2.5%
Interview Lift
674
Avg Prosecution Days
Based on 177 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
15.6%
§102 Novelty
5.4%
§103 Obviousness
76.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
35526996 Lid for drinking vessels Final Rejection Guangdong Woodsun Housewares Co., Ltd
35525220 Handle of drinking vessel lid Non-Final OA Guangdong Woodsun Housewares Co., Ltd
35525180 Handle of drinking vessel lid Non-Final OA Guangdong Woodsun Housewares Co., Ltd
35525073 Tumbler Final Rejection STOR,S.L.
35523150 Beverage bottle Final Rejection STOR,S.L.

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Frequently Asked Questions

What is examiner Yen Le Southwood's allowance rate?

97.7% of resolved applications examined by Yen Le Southwood were allowed (177 resolved cases), compared with 95.3% across Art Unit 2918 over the last five years.

Does an interview help with examiner Yen Le Southwood?

This examiner's interview lift is +2.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Yen Le Southwood take to allow a patent?

Applications allowed by Yen Le Southwood took 674 days on average from filing to allowance.

Which art unit does examiner Yen Le Southwood work in?

Yen Le Southwood examines applications in Art Unit 2918 in Tech Center 2900.

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