Examiner Shantanu C. Pathak

Grant ratio: 54.1% (19th percentile in Art Unit 2829 among examiners with at least 20 applications). Average office actions per grant: 2.28. Most common rejection type: §103.

Appears inactive Last office action in data: November 2012
Grant ratio 54.1%
Average office actions / grant 2.28
Compared with Art unit Very hard
Compared with Work group Very hard
Compared with Technology center Very hard
Compared with USPTO About average

Examiner record

Examiner ID
86127
Primary art unit
2829
Work group
2820
Technology center
2800
Applications
146
Granted applications
79

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 23 68.3% 1.82
Group 207 71.2% 1.64
Tech Center 2,413 62.4% 1.69
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.38 348 office actions across 146 applications
Applications with office actions 100.0% 146 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 38 26.0%
2 OAs 61 41.8%
3 OAs 21 14.4%
4 OAs 13 8.9%
5+ OAs 13 8.9%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2009: 53.1% 2009 2010: 54.8% 2010 2011: 60.5% 2011 2012: 47.1% 2012

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2009321753.1%
2010422354.8%
2011382360.5%
2012341647.1%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 146 0.7% 1.4% 96.6% 0.0%
Action 2 108 0.0% 0.0% 100.0% 0.0%
Action 3 47 0.0% 0.0% 100.0% 0.0%
Action 4 26 0.0% 0.0% 96.2% 3.8%
Action 5 13 0.0% 0.0% 100.0% 0.0%
Action 6 6 0.0% 0.0% 100.0% 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 0.3% 1 of 348 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

1.0%
0.0%
0.0%
0.0%

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

PTAB appeals

No PTAB decisions could be matched to this examiner.

Older and transferred applications may not have a reliable examiner match. Data through Aug. 27, 2026.

Job History

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