Examiner Tammie K. Heller

Grant ratio: 68.2% (34th percentile in Art Unit 3766 among examiners with at least 20 applications). Average office actions per grant: 2.52. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 68.2%
Average office actions / grant 2.52
Compared with Art unit About average
Compared with Work group About average
Compared with Technology center About average
Compared with USPTO About average

Examiner record

Examiner ID
81321
Primary art unit
3766
Work group
3760
Technology center
3700
Applications
866
Granted applications
591
Examiner phone
(571) 272-1986
Supervisor
Carl Layno
Supervisor phone
(571) 272-4949

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 27 65.3% 2.23
Group 384 48.9% 2.11
Tech Center 2,671 48.4% 2.01
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.49 2,160 office actions across 866 applications
Applications with office actions 99.2% 859 applications
Office actionsApplicationsShare of applications
No OA observed 7 0.8%
1 OA 280 32.3%
2 OAs 275 31.8%
3 OAs 133 15.4%
4 OAs 78 9.0%
5+ OAs 93 10.7%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 58.1% 2008 2009: 70.4% 2009 2010: 75.5% 2010 2011: 55.8% 2011 2012: 84.8% 2012 2013: 67.3% 2013 2014: 82.1% 2014 2015: 86.4% 2015 2016: 68.3% 2016 2017: 77.6% 2017 2018: 81.4% 2018 2019: 86.0% 2019 2020: 82.4% 2020 2021: 78.9% 2021 2022: 76.6% 2022 2023: 72.2% 2023 2024: 71.0% 2024 2025: 35.3% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2008311858.1%
2009543870.4%
2010493775.5%
2011432455.8%
2012463984.8%
2013493367.3%
2014564682.1%
2015443886.4%
2016604168.3%
2017493877.6%
2018433581.4%
2019433786.0%
2020342882.4%
2021383078.9%
2022473676.6%
2023543972.2%
2024312271.0%
2025341235.3%
20266100.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 859 1.4% 40.3% 39.1% 8.7%
Action 2 579 2.9% 33.2% 46.1% 11.9%
Action 3 304 3.0% 30.6% 50.7% 12.8%
Action 4 171 1.8% 28.1% 56.1% 11.7%
Action 5 93 3.2% 17.2% 58.1% 16.1%
Action 6 55 1.8% 14.5% 63.6% 16.4%
Action 7 33 0.0% 12.1% 78.8% 6.1%
Action 8 20 5.0% 5.0% 80.0% 10.0%
Action 9 13 0.0% 0.0% 76.9% 23.1%
Action 10 10 10.0% 0.0% 60.0% 30.0%

Section 101 rejections

Last 3 years 4.8% 13 of 273 office actions
All years 2.2% 47 of 2,160 office actions
Change +2.6 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%
0.7%
0.7%
1.8%
0.0%
0.0%
2014: Alice
1.6%
0.7%
2.6%
2.2%
7.1%
2019: PEG
1.8%
2.3%
1.2%
3.7%
3.9%
2024: AI examples
4.2%
2025: August memo
6.4%
5.2%

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

PTAB appeals

Matched decisions: 44. Merits outcomes: 11 affirmed, 8 affirmed in part, and 23 reversed.

Full reversal rate
54.8% 23/42 decisions
Full or partial reversal rate
73.8% 31/42 decisions
Median appeal duration
26.7 months
New grounds of rejection
5
Recent decisions
DecisionApplicationOutcomeIssues
May. 30, 2025 14/980,364 Rehearing Decision Granted New ground of rejection §102 · §103 · §112
Mar. 25, 2025 17/076,519 Reversed §103
Nov. 1, 2024 15/337,326 Rehearing Decision Granted-in-Part New ground of rejection §103 · §112
Sep. 30, 2024 16/526,352 Affirmed §102
Jun. 1, 2022 15/664,798 Reversed §102 · §103
Oct. 29, 2019 14/693,088 Reversed New ground of rejection §102 · §103 · §112
May. 1, 2019 14/263,933 Reversed §103
Apr. 23, 2019 12/372,523 Affirmed in part §103
Feb. 19, 2019 15/200,275 Reversed N/A
Feb. 11, 2019 15/073,867 Affirmed in part N/A
Jan. 10, 2019 14/519,436 Affirmed N/A
Sep. 12, 2018 14/693,096 Affirmed §102

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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