Examiner Devin C Hein

Grant ratio: 38.4% (67th percentile in Art Unit 3686 among examiners with at least 20 applications). Average office actions per grant: 2.73. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 38.4%
Average office actions / grant 2.73
Compared with Art unit About average
Compared with Work group Very easy
Compared with Technology center Very hard
Compared with USPTO Very hard

Examiner record

Examiner ID
92386
Primary art unit
3686
Work group
3680
Technology center
3600
Applications
333
Granted applications
128
Examiner phone
(303) 297-4305
Supervisor
Jason B. Dunham
Supervisor phone
(571) 272-8109

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 42 32.1% 2.69
Group 285 28.7% 2.80
Tech Center 2,381 46.2% 2.12
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.59 863 office actions across 333 applications
Applications with office actions 97.3% 324 applications
Office actionsApplicationsShare of applications
No OA observed 9 2.7%
1 OA 120 36.0%
2 OAs 80 24.0%
3 OAs 47 14.1%
4 OAs 31 9.3%
5+ OAs 46 13.8%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2015: 0.0% 2015 2016: 18.2% 2016 2017: 24.0% 2017 2018: 36.4% 2018 2019: 40.6% 2019 2020: 45.0% 2020 2021: 63.6% 2021 2022: 45.2% 2022 2023: 65.2% 2023 2024: 64.3% 2024 2025: 34.4% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2015900.0%
201622418.2%
201725624.0%
201822836.4%
2019321340.6%
2020401845.0%
2021332163.6%
2022311445.2%
2023231565.2%
2024281864.3%
2025321134.4%
20263600.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 324 4.0% 13.0% 80.2% 0.9%
Action 2 204 8.3% 32.4% 56.4% 0.0%
Action 3 124 9.7% 14.5% 75.8% 0.0%
Action 4 77 13.0% 5.2% 81.8% 0.0%
Action 5 46 15.2% 2.2% 82.6% 0.0%
Action 6 30 13.3% 6.7% 80.0% 0.0%
Action 7 19 15.8% 5.3% 78.9% 0.0%
Action 8 14 21.4% 7.1% 71.4% 0.0%
Action 9 9 22.2% 11.1% 66.7% 0.0%
Action 10 7 14.3% 0.0% 85.7% 0.0%

Section 101 rejections

Last 3 years 13.2% 26 of 197 office actions
All years 8.6% 74 of 863 office actions
Change +4.6 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%
11.1%
2014: Alice
10.0%
10.2%
10.3%
6.9%
6.1%
2019: PEG
9.9%
8.2%
5.1%
1.5%
10.0%
2024: AI examples
7.9%
2025: August memo
16.7%
15.2%

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

PTAB appeals

Matched decisions: 14. Merits outcomes: 12 affirmed, 1 affirmed in part, and 1 reversed.

Full reversal rate
7.1% 1/14 decisions
Full or partial reversal rate
14.3% 2/14 decisions
Median appeal duration
16.6 months
New grounds of rejection
1
Recent decisions
DecisionApplicationOutcomeIssues
Aug. 24, 2026 18/065,995 Affirmed §101
Mar. 8, 2024 15/751,203 Affirmed §102 · §103
Aug. 28, 2023 15/043,839 Affirmed §103
May. 16, 2023 14/835,698 Affirmed §101 · §103
Sep. 29, 2022 15/006,635 Reversed New ground of rejection §101 · §103 · §112
Apr. 6, 2022 14/530,727 Affirmed in part §101 · §103
Jan. 6, 2022 14/629,180 Affirmed §101 · §103
Dec. 26, 2019 14/360,691 Affirmed §101 · §103
Nov. 1, 2019 14/220,418 Affirmed §101 · §103
Jul. 31, 2019 14/070,618 Affirmed §101 · §103 · §112
Jul. 29, 2019 15/012,922 Affirmed §101
Jun. 25, 2019 14/149,705 Affirmed §101 · §102 · §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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