Examiner Brooke L Klein

Grant ratio: 34.6% (61st percentile in Art Unit 3797 among examiners with at least 20 applications). Average office actions per grant: 3.04. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 34.6%
Average office actions / grant 3.04
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
95056
Primary art unit
3797
Work group
3790
Technology center
3700
Applications
266
Granted applications
92
Examiner phone
(571) 270-5204
Supervisor
Anne Kozak
Supervisor phone
(571) 270-0552

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 19 40.5% 2.30
Group 334 38.9% 2.25
Tech Center 2,671 48.4% 2.01
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.80 744 office actions across 266 applications
Applications with office actions 97.0% 258 applications
Office actionsApplicationsShare of applications
No OA observed 8 3.0%
1 OA 63 23.7%
2 OAs 77 28.9%
3 OAs 39 14.7%
4 OAs 39 14.7%
5+ OAs 40 15.0%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2019: 0.0% 2019 2020: 8.3% 2020 2021: 30.8% 2021 2022: 54.1% 2022 2023: 60.0% 2023 2024: 46.7% 2024 2025: 41.7% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2019100.0%
20201218.3%
202126830.8%
2022372054.1%
2023452760.0%
2024452146.7%
2025361541.7%
20266400.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 258 0.0% 3.5% 82.6% 6.2%
Action 2 195 0.0% 4.1% 84.1% 9.7%
Action 3 118 1.7% 3.4% 82.2% 13.6%
Action 4 79 0.0% 1.3% 87.3% 10.1%
Action 5 40 0.0% 0.0% 92.5% 7.5%
Action 6 28 0.0% 3.6% 92.9% 10.7%
Action 7 11 0.0% 0.0% 100.0% 0.0%
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 0.6% 2 of 341 office actions
All years 0.3% 2 of 744 office actions
Change +0.3 pts Percentage points

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

By year

2019: PEG
0.0%
0.0%
0.0%
0.0%
0.0%
2024: AI examples
0.0%
2025: August memo
1.0%
1.1%

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
10.3 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Nov. 20, 2025 17/614,614 Affirmed §103 · §112
May. 13, 2024 15/947,267 Affirmed in part §103 · §112
Feb. 8, 2023 15/776,820 Reversed §103 · §112
Apr. 20, 2022 15/951,903 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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