Examiner Brandon J. Fetterolf

Grant ratio: 30.9% (12th percentile in Art Unit 1626 among examiners with at least 20 applications). Average office actions per grant: 1.65. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 30.9%
Average office actions / grant 1.65
Compared with Art unit Very hard
Compared with Work group About average
Compared with Technology center About average
Compared with USPTO About average

Examiner record

Examiner ID
80335
Primary art unit
1626
Work group
1620
Technology center
1600
Applications
272
Granted applications
84
Examiner phone
(571) 272-2919
Supervisor
Joseph Mckane
Supervisor phone
(571) 272-0699

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 31 56.4% 1.65
Group 252 46.0% 1.76
Tech Center 1,373 38.0% 2.02
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 1.65 469 office actions across 284 applications
Applications with office actions 100.0% 284 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 155 54.6%
2 OAs 87 30.6%
3 OAs 28 9.9%
4 OAs 14 4.9%
5+ OAs 0 0.0%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 63.3% 2008 2009: 45.8% 2009 2010: 92.3% 2010 2013: 0.0% 2013 2018: 100.0% 2018 2019: 100.0% 2019 2020: 0.0% 2020 2021: 0.0% 2021 2022: 56.3% 2022 2024: 100.0% 2024 2025: 9.8% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2008493163.3%
2009482245.8%
2010131292.3%
2013100.0%
201822100.0%
201911100.0%
2020400.0%
2021200.0%
202216956.3%
202422100.0%
20255159.8%
20268300.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 284 1.1% 13.0% 25.4% 19.4%
Action 2 129 0.0% 13.2% 40.3% 19.4%
Action 3 42 0.0% 7.1% 31.0% 31.0%
Action 4 14 0.0% 0.0% 28.6% 50.0%

Section 101 rejections

Last 3 years 0.5% 1 of 209 office actions
All years 0.6% 3 of 469 office actions
Change -0.2 pts Percentage points

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

By year

0.9%
1.2%
0.0%
0.0%
0.0%
0.0%
2019: PEG
0.0%
0.0%
0.0%
0.0%
2024: AI examples
0.0%
2025: August memo
1.0%
0.0%

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

PTAB appeals

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

Full reversal rate
25.0% 1/4 decisions
Full or partial reversal rate
50.0% 2/4 decisions
Median appeal duration
10.9 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
May. 10, 2011 11/498,620 Affirmed §103
Nov. 30, 2010 11/141,344 Affirmed §102 · §103
Sep. 22, 2010 10/469,835 Affirmed in part §103 · §112
Jun. 18, 2010 10/470,999 Reversed §103

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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