Examiner Brooke Purinton

Grant ratio: 65.7% (45th percentile in Art Unit 2881 among examiners with at least 20 applications). Average office actions per grant: 2.03. Most common rejection type: §103.

Appears inactive Last office action in data: September 2021
Grant ratio 65.7%
Average office actions / grant 2.03
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
85090
Primary art unit
2881
Work group
2880
Technology center
2800
Applications
510
Granted applications
335

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 30 56.3% 1.64
Group 164 64.9% 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 2.25 1,152 office actions across 512 applications
Applications with office actions 100.0% 512 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 197 38.5%
2 OAs 163 31.8%
3 OAs 65 12.7%
4 OAs 48 9.4%
5+ OAs 39 7.6%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 58.3% 2008 2009: 64.3% 2009 2010: 75.7% 2010 2011: 51.4% 2011 2012: 44.9% 2012 2013: 55.8% 2013 2014: 60.7% 2014 2015: 70.7% 2015 2016: 61.0% 2016 2017: 78.6% 2017 2018: 75.0% 2018 2019: 82.2% 2019 2020: 81.0% 2020 2021: 80.0% 2021

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2008241458.3%
2009422764.3%
2010372875.7%
2011351851.4%
2012492244.9%
2013432455.8%
2014563460.7%
2015412970.7%
2016412561.0%
2017282278.6%
201812975.0%
2019453782.2%
2020423481.0%
2021151280.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 512 0.2% 18.6% 80.5% 0.8%
Action 2 315 0.3% 10.8% 87.3% 1.0%
Action 3 152 1.3% 10.5% 88.2% 0.0%
Action 4 87 0.0% 5.7% 90.8% 2.3%
Action 5 39 0.0% 7.7% 89.7% 0.0%
Action 6 21 0.0% 9.5% 90.5% 0.0%
Action 7 8 0.0% 0.0% 100.0% 0.0%
Action 8 7 0.0% 0.0% 100.0% 0.0%
Action 9 5 0.0% 0.0% 100.0% 0.0%
Action 10 3 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years N/A 0 of 0 office actions
All years 0.3% 4 of 1,152 office actions
Change N/A 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%
0.0%
2014: Alice
0.0%
2.6%
0.0%
1.9%
5.0%
2019: PEG
0.0%
0.0%
0.0%

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

PTAB appeals

Matched decisions: 16. Merits outcomes: 9 affirmed, 1 affirmed in part, and 6 reversed.

Full reversal rate
37.5% 6/16 decisions
Full or partial reversal rate
43.8% 7/16 decisions
Median appeal duration
25.4 months
New grounds of rejection
2
Recent decisions
DecisionApplicationOutcomeIssues
Jul. 11, 2017 12/564,277 Reversed §102 · §103 · §112
Jun. 6, 2017 10/554,937 Reversed New ground of rejection §103 · §112
May. 24, 2017 11/751,619 Affirmed New ground of rejection §103
Nov. 29, 2016 12/302,177 Reversed §103
Oct. 28, 2016 12/931,356 Affirmed §103
Aug. 25, 2016 11/976,240 Affirmed §103
Jun. 8, 2016 13/190,643 Reversed §102 · §103
Dec. 28, 2015 12/095,198 Affirmed N/A
Sep. 10, 2015 12/028,210 Affirmed N/A
Jul. 31, 2015 12/024,335 Affirmed N/A
Apr. 29, 2015 12/028,884 Affirmed N/A
Apr. 9, 2015 12/023,385 Affirmed 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.

Job History

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