Examiner Daniel Hess

Grant ratio: 76.7% (74th percentile in Art Unit 2876 among examiners with at least 20 applications). Average office actions per grant: 1.82. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 76.7%
Average office actions / grant 1.82
Compared with Art unit Very easy
Compared with Work group About average
Compared with Technology center About average
Compared with USPTO Very easy

Examiner record

Examiner ID
79141
Primary art unit
2876
Work group
2870
Technology center
2800
Applications
1,267
Granted applications
972
Examiner phone
(571) 272-2392
Supervisor
Michael G. Lee
Supervisor phone
(571) 272-2398

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 17 64.7% 1.87
Group 351 61.2% 1.71
Tech Center 2,413 62.4% 1.69
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 1.82 2,309 office actions across 1,267 applications
Applications with office actions 99.4% 1,260 applications
Office actionsApplicationsShare of applications
No OA observed 7 0.6%
1 OA 688 54.3%
2 OAs 329 26.0%
3 OAs 123 9.7%
4 OAs 69 5.4%
5+ OAs 51 4.0%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 75.0% 2008 2009: 74.7% 2009 2010: 77.4% 2010 2011: 80.3% 2011 2012: 87.5% 2012 2013: 73.1% 2013 2014: 88.7% 2014 2015: 79.5% 2015 2016: 83.3% 2016 2017: 82.9% 2017 2018: 89.4% 2018 2019: 81.6% 2019 2020: 72.0% 2020 2021: 78.5% 2021 2022: 76.1% 2022 2023: 90.6% 2023 2024: 82.2% 2024 2025: 44.4% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2008564275.0%
2009795974.7%
2010624877.4%
2011715780.3%
2012645687.5%
2013674973.1%
2014716388.7%
2015735879.5%
2016726083.3%
2017705882.9%
2018665989.4%
2019766281.6%
2020755472.0%
2021655178.5%
2022715476.1%
2023645890.6%
2024736082.2%
2025542444.4%
20263800.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 1,260 1.3% 4.4% 66.0% 6.3%
Action 2 572 0.9% 5.1% 79.5% 5.6%
Action 3 243 0.8% 2.9% 85.6% 5.8%
Action 4 120 0.8% 2.5% 89.2% 2.5%
Action 5 51 2.0% 0.0% 86.3% 5.9%
Action 6 26 3.8% 3.8% 76.9% 7.7%
Action 7 13 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 0.8% 2 of 261 office actions
All years 1.2% 27 of 2,309 office actions
Change -0.4 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%
0.8%
0.0%
0.8%
3.3%
2014: Alice
0.0%
0.7%
0.8%
1.3%
4.0%
2019: PEG
1.4%
1.6%
3.6%
1.7%
0.0%
2024: AI examples
0.9%
2025: August memo
1.4%
0.0%

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

PTAB appeals

Matched decisions: 16. Merits outcomes: 7 affirmed, 3 affirmed in part, and 6 reversed.

Full reversal rate
37.5% 6/16 decisions
Full or partial reversal rate
56.3% 9/16 decisions
Median appeal duration
21.4 months
New grounds of rejection
2
Recent decisions
DecisionApplicationOutcomeIssues
Sep. 8, 2022 15/977,515 Affirmed §103
Sep. 20, 2019 15/262,818 Reversed §103
Mar. 26, 2019 14/313,401 Affirmed §101 · §112
Aug. 28, 2018 14/823,528 Reversed §102 · §103
May. 25, 2018 14/274,911 Affirmed §102 · §103 · §112
Jun. 19, 2017 13/596,810 Affirmed in part §103
Feb. 27, 2017 13/801,085 Affirmed §103
Sep. 29, 2016 13/663,319 Affirmed §103
Sep. 6, 2016 12/351,610 Reversed §103
Aug. 31, 2016 11/992,207 Reversed New ground of rejection §102 · §103
May. 6, 2015 12/130,112 Affirmed N/A
Dec. 12, 2014 11/560,222 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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