Examiner Chang Joseph

2836-CHANG-JOSEPH

Employment Information

Art Unit:2836 — Electrical transmission or interconnection systems
Group:28XX — Semiconductors B
Classes: 331 — Oscillators
307 — Electrical transmission or interconnection systems
524 — Synthetic resins or natural rubbers -- part of the class 520 series
332 — Modulators
310 — Electrical generator or motor structure
526 — Synthetic resins or natural rubbers -- part of the class 520 series
375 — Pulse or digital communications
329 — Demodulators
428 — Stock material or miscellaneous articles
438 — Semiconductor device manufacturing: process
Phone:(571) 272-1759
Email:joseph.chang@uspto.gov
Location:VA 22314
Title:Pat Examnr Elctrl Engrg
Service:25 years
Grade:GS-14

Grant Rate and Difficulty Ranking

36
3-Year Grant rate: 84% over 722 cases
Difficulty: Easier
Difficulty Percentile: 36th

With Examiner Chang, you have a 84% chance of getting an issued patent by 3 years after the first office action. Examiner Chang is an easier examiner and in the 36th percentile across all examiners (with 100th percentile most difficult).

Grant Rate

Grant Rate Timeline

Below is the grant rate timeline for Examiner Chang, 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 2836

Examiner Chang's grant rate is lower than that of Art Unit 2836 and higher than that of the USPTO.

Average Office Actions Per Grant
Examiner Chang 1.1
Art Unit 2836 1.0

Interview Benefit

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Recent Dispositions

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Appeals Statistics

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Appeal History

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Disclaimer: We do not provide any guarantees as to the accuracy of the statistics presented above and under
no circumstances will we be liable for any outcome resulting from your reliance on the above statistics.

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