Examiner Nicholas Kokkinos

Grant ratio: 16.9% (12th percentile in Art Unit 1787 among examiners with at least 20 applications). Average office actions per grant: 3.90. Most common rejection type: §103.

Appears inactive Last office action in data: April 2017
Grant ratio 16.9%
Average office actions / grant 3.90
Compared with Art unit Very hard
Compared with Work group Very hard
Compared with Technology center Very hard
Compared with USPTO Very hard

Examiner record

Examiner ID
85850
Primary art unit
1787
Work group
1780
Technology center
1700
Applications
243
Granted applications
41

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 24 31.6% 3.26
Group 208 37.3% 2.71
Tech Center 1,792 44.3% 2.14
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 3.05 744 office actions across 244 applications
Applications with office actions 100.0% 244 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 53 21.7%
2 OAs 64 26.2%
3 OAs 45 18.4%
4 OAs 36 14.8%
5+ OAs 46 18.9%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 0.0% 2008 2009: 3.8% 2009 2010: 21.1% 2010 2011: 10.5% 2011 2012: 20.8% 2012 2013: 12.1% 2013 2014: 13.3% 2014 2015: 18.8% 2015 2016: 30.3% 2016 2017: 14.3% 2017

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2008100.0%
20092613.8%
201038821.1%
201119210.5%
201224520.8%
201333412.1%
201430413.3%
201532618.8%
2016331030.3%
20177114.3%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 244 0.0% 13.9% 83.2% 2.5%
Action 2 191 0.0% 27.2% 66.0% 6.3%
Action 3 127 0.0% 18.9% 76.4% 3.9%
Action 4 82 1.2% 18.3% 80.5% 0.0%
Action 5 46 0.0% 10.9% 87.0% 2.2%
Action 6 27 0.0% 3.7% 92.6% 3.7%
Action 7 12 0.0% 0.0% 91.7% 8.3%
Action 8 9 0.0% 0.0% 100.0% 0.0%
Action 9 4 0.0% 0.0% 100.0% 0.0%
Action 10 2 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years N/A 0 of 0 office actions
All years 0.1% 1 of 744 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

0.0%
0.0%
0.0%
0.0%
0.9%
0.0%
2014: Alice
0.0%
0.0%
0.0%
0.0%

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

PTAB appeals

Matched decisions: 11. Merits outcomes: 6 affirmed, 1 affirmed in part, and 4 reversed.

Full reversal rate
36.4% 4/11 decisions
Full or partial reversal rate
45.5% 5/11 decisions
Median appeal duration
20.3 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Mar. 28, 2017 11/232,238 Affirmed in part §102 · §103
Feb. 21, 2017 11/934,406 Affirmed §103
Dec. 27, 2016 11/576,961 Reversed §103
Sep. 29, 2016 12/474,733 Reversed §102 · §112
Aug. 22, 2016 13/119,882 Affirmed §103
Aug. 9, 2016 13/155,458 Affirmed §103
Jul. 12, 2016 12/935,778 Affirmed §103 · §112
Apr. 1, 2016 12/981,164 Affirmed §103 · §112
Nov. 19, 2014 11/684,082 Reversed N/A
May. 29, 2014 11/242,586 Affirmed N/A
Mar. 28, 2013 12/336,639 Reversed N/A

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.

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