Examiner Nathan Cumar

Grant ratio: 72.9% (84th percentile in Art Unit 3675 among examiners with at least 20 applications). Average office actions per grant: 1.94. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 72.9%
Average office actions / grant 1.94
Compared with Art unit Very easy
Compared with Work group About average
Compared with Technology center Very easy
Compared with USPTO Very easy

Examiner record

Examiner ID
88029
Primary art unit
3675
Work group
3670
Technology center
3600
Applications
1,250
Granted applications
911
Examiner phone
(571) 270-3112
Supervisor
Kristina Fulton
Supervisor phone
(571) 272-7376

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 27 53.1% 2.10
Group 238 58.8% 1.84
Tech Center 2,381 46.2% 2.12
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 1.93 2,417 office actions across 1,250 applications
Applications with office actions 99.9% 1,249 applications
Office actionsApplicationsShare of applications
No OA observed 1 0.1%
1 OA 609 48.7%
2 OAs 398 31.8%
3 OAs 107 8.6%
4 OAs 70 5.6%
5+ OAs 65 5.2%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2011: 25.0% 2011 2012: 56.7% 2012 2013: 65.7% 2013 2014: 54.0% 2014 2015: 68.8% 2015 2016: 64.6% 2016 2017: 80.7% 2017 2018: 83.1% 2018 2019: 87.3% 2019 2020: 87.0% 2020 2021: 90.9% 2021 2022: 85.4% 2022 2023: 89.8% 2023 2024: 85.1% 2024 2025: 59.3% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
201120525.0%
2012905156.7%
2013704665.7%
2014633454.0%
2015644468.8%
2016483164.6%
2017836780.7%
2018776483.1%
20191028987.3%
20201008787.0%
2021888090.9%
2022968285.4%
20231089789.8%
20241018685.1%
2025814859.3%
20265900.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 1,249 0.0% 17.1% 67.2% 7.0%
Action 2 640 0.0% 12.3% 69.7% 11.9%
Action 3 242 0.0% 7.9% 83.5% 7.0%
Action 4 135 0.0% 5.9% 86.7% 6.7%
Action 5 65 0.0% 3.1% 89.2% 6.2%
Action 6 42 0.0% 0.0% 95.2% 2.4%
Action 7 26 0.0% 3.8% 88.5% 7.7%
Action 8 10 0.0% 0.0% 100.0% 0.0%
Action 9 4 0.0% 0.0% 75.0% 25.0%
Action 10 2 0.0% 0.0% 50.0% 50.0%

Section 101 rejections

Last 3 years 0.0% 0 of 351 office actions
All years 0.0% 0 of 2,417 office actions
Change 0.0 pts 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%
0.0%
2014: Alice
0.0%
0.0%
0.0%
0.0%
0.0%
2019: PEG
0.0%
0.0%
0.0%
0.0%
0.0%
2024: AI examples
0.0%
2025: August memo
0.0%
0.0%

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

PTAB appeals

Matched decisions: 14. Merits outcomes: 3 affirmed, 2 affirmed in part, and 9 reversed.

Full reversal rate
64.3% 9/14 decisions
Full or partial reversal rate
78.6% 11/14 decisions
Median appeal duration
16.5 months
New grounds of rejection
1
Recent decisions
DecisionApplicationOutcomeIssues
Nov. 1, 2019 14/464,161 Reversed New ground of rejection §103
Aug. 2, 2019 14/745,593 Reversed §103
May. 13, 2019 15/294,923 Affirmed in part §103
Feb. 19, 2019 14/600,033 Affirmed §102 · §103
Oct. 16, 2018 13/885,410 Reversed §103
May. 10, 2018 14/439,988 Reversed §103 · §112
Jan. 18, 2018 14/349,889 Reversed §103
Nov. 30, 2017 13/437,513 Reversed §103
Oct. 30, 2017 13/076,724 Affirmed §103
Mar. 31, 2017 13/502,803 Affirmed in part §102 · §103
Jan. 26, 2017 13/307,618 Reversed §103 · §112
Dec. 21, 2016 12/571,183 Reversed §100 · §103 · §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.

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