Examiner Chung David Y

2871-CHUNG-DAVID-Y

Employment Information

Art Unit:2871 — Liquid crystal cells, elements and systems
Group:2870-2880 — Optics/Photocopying
Classes: 349 — Liquid crystal cells, elements and systems
359 — Optical: systems and elements
257 — Active solid-state devices (e.g., transistors, solid-state diodes)
126 — Stoves and furnaces
Phone:(571) 272-2288
Email:davidy.chung@uspto.gov
Location:VA 22314
Title:Pat Examnr Elctrl Engrg
Service:25 years
Grade:GS-13

Grant Rate and Difficulty Ranking

63
3-Year Grant rate: 68% over 209 cases
Difficulty: Harder
Difficulty Percentile: 63rd

With Examiner Chung, you have a 68% chance of getting an issued patent by 3 years after the first office action. Examiner Chung is a harder examiner and in the 63rd percentile across all examiners (with 100th percentile most difficult).

Grant Rate

Grant Rate Timeline

Below is the grant rate timeline for Examiner Chung, where the timeline is relative to the date of the first office action. The three-year grant rate is the percentage of applications granted at three years after the first office action.

Comparison with Art Unit 2871

Examiner Chung's grant rate is lower than that of Art Unit 2871 and lower than that of the USPTO.

Average Office Actions Per Grant
Examiner Chung 2.0
Art Unit 2871 1.3

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Appeals Statistics

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Appeal History

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