Prosecution Insights
Last updated: October 02, 2026

Examiner: CHU, KING M

Tech Center 3700 • Art Units: 3728 3733 3735 3736 3788

This examiner grants 75% of resolved cases

Analysis

King M. Chu is an examiner in Tech Center 3700 and Art Unit 3728. He has 1135 resolved cases and an allowance rate of 75.4%. The median days to allowance for these cases is 834. This 834-day figure is a larger number than the 1135 resolved cases. Practitioners can use the 834-day median to allowance to set expectations for the duration of the prosecution process. The 75.4% allowance rate provides a baseline for the probability of success in this art unit.

The interview lift for this examiner is 13.2%. This 13.2% lift is a smaller percentage than the 75.4% allowance rate. An interview lift of 13.2% indicates that applications with interviews have a higher probability of allowance than the base rate. Practitioners may consider the 13.2% lift when deciding whether to request an interview. The 1135 resolved cases represent the total volume of data available for this examiner. Each figure, from the 834 days to the 75.4% rate, helps define the prosecution environment in Art Unit 3728. The relationship between the 13.2% lift and the 75.4% rate is a key factor for strategy.

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

Performance Statistics

75.4%
Allow Rate
+5.4% vs TC avg
1,155
Total Applications
+13.2%
Interview Lift
834
Avg Prosecution Days
Based on 1135 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
24.9%
§102 Novelty
41.3%
§103 Obviousness
21.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19364864 CLOSURE AND DRAINAGE FOR MOLDED FIBER PACKAGING Non-Final OA Miso Robotics, Inc.
19266938 VACUUM RETENTION SYSTEM CONTAINER HAVING VERTICAL WALLS WITH SOLID WELDS Non-Final OA GSTC LLC
19265013 VACUUM RETENTION SYSTEM CONTAINER WITH FARADAY-SHIELDING LAYER Non-Final OA GSTC LLC
19048830 DISPLAY ASSEMBLY Final Rejection ALL PLASTIC, INC.

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