Examiner John Park

Grant ratio: 57.3% (62nd percentile in Art Unit 2125 among examiners with at least 20 applications). Average office actions per grant: 2.69. Most common rejection type: §103.

Appears inactive Last office action in data: April 2018
Grant ratio 57.3%
Average office actions / grant 2.69
Compared with Art unit About average
Compared with Work group About average
Compared with Technology center About average
Compared with USPTO About average

Examiner record

Examiner ID
90853
Primary art unit
2125
Work group
2120
Technology center
2100
Applications
103
Granted applications
59

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 33 44.1% 1.84
Group 333 45.2% 1.98
Tech Center 1,781 52.8% 2.19
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.59 342 office actions across 132 applications
Applications with office actions 100.0% 132 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 33 25.0%
2 OAs 47 35.6%
3 OAs 22 16.7%
4 OAs 12 9.1%
5+ OAs 18 13.6%

Each application is counted once. “5+” includes all higher counts.

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2014: 63.6% 2014 2015: 45.5% 2015 2016: 50.0% 2016 2017: 60.0% 2017 2018: 75.0% 2018

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
201411763.6%
2015221045.5%
201618950.0%
2017402460.0%
201812975.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 132 2.3% 35.6% 57.6% 3.0%
Action 2 99 1.0% 22.2% 72.7% 4.0%
Action 3 52 0.0% 15.4% 82.7% 0.0%
Action 4 30 0.0% 16.7% 80.0% 3.3%
Action 5 18 0.0% 16.7% 83.3% 0.0%
Action 6 9 0.0% 11.1% 88.9% 0.0%
Action 7 2 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years N/A 0 of 0 office actions
All years 1.2% 4 of 342 office actions
Change N/A Percentage points

Last 3 years: 2023-08-28–2026-08-28. All years includes every dated office action in the data.

By year

2014: Alice
3.3%
1.4%
0.0%
0.0%
5.3%

Each bar is the percentage of office actions with a §101 rejection.

PTAB appeals

Matched decisions: 4. Merits outcomes: 1 affirmed, 1 affirmed in part, and 2 reversed.

Full reversal rate
50.0% 2/4 decisions
Full or partial reversal rate
75.0% 3/4 decisions
Median appeal duration
8.5 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Jul. 5, 2018 13/295,263 Reversed §103 · §112
Mar. 26, 2018 13/288,304 Affirmed §103
Jan. 2, 2018 13/664,305 Reversed §102
Jun. 16, 2017 13/320,972 Affirmed in part §102 · §112

The examiner match uses the last recorded office action before the decision. Reversal rates exclude rehearings, remands, dismissals, and other decisions that did not reach the merits. Data through Aug. 27, 2026.

Job History

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