Examiner Andrea Mccollum

Grant ratio: 53.2% (55th percentile in Art Unit 1646 among examiners with at least 20 applications). Average office actions per grant: 2.19. Most common rejection type: §112.

Recently active Last office action in data: August 2026
Grant ratio 53.2%
Average office actions / grant 2.19
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
89569
Primary art unit
1646
Work group
1640
Technology center
1600
Applications
654
Granted applications
348
Examiner phone
(571) 272-4002
Supervisor
Vanessa Ford
Supervisor phone
(571) 272-0857

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 23 41.9% 1.89
Group 222 43.5% 1.94
Tech Center 1,373 38.0% 2.02
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.06 1,345 office actions across 654 applications
Applications with office actions 99.2% 649 applications
Office actionsApplicationsShare of applications
No OA observed 5 0.8%
1 OA 258 39.4%
2 OAs 225 34.4%
3 OAs 82 12.5%
4 OAs 50 7.6%
5+ OAs 34 5.2%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2012: 0.0% 2012 2013: 52.4% 2013 2014: 57.9% 2014 2015: 63.6% 2015 2016: 63.0% 2016 2017: 63.0% 2017 2018: 51.4% 2018 2019: 58.1% 2019 2020: 61.7% 2020 2021: 60.5% 2021 2022: 50.0% 2022 2023: 60.4% 2023 2024: 79.5% 2024 2025: 22.4% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2012200.0%
2013422252.4%
2014573357.9%
2015664263.6%
2016543463.0%
2017462963.0%
2018351851.4%
2019432558.1%
2020472961.7%
2021432660.5%
2022341750.0%
2023482960.4%
2024393179.5%
2025581322.4%
20264000.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 649 5.7% 20.6% 32.2% 13.7%
Action 2 391 2.8% 9.2% 24.0% 51.4%
Action 3 166 3.0% 9.6% 25.9% 44.0%
Action 4 84 2.4% 4.8% 21.4% 54.8%
Action 5 34 2.9% 8.8% 8.8% 64.7%
Action 6 10 0.0% 20.0% 0.0% 70.0%
Action 7 8 0.0% 12.5% 12.5% 62.5%
Action 8 3 0.0% 0.0% 0.0% 100.0%

Section 101 rejections

Last 3 years 2.1% 5 of 240 office actions
All years 4.2% 56 of 1,345 office actions
Change -2.1 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%
1.8%
2014: Alice
6.6%
6.9%
3.0%
3.4%
5.2%
2019: PEG
7.6%
0.0%
5.3%
3.8%
7.1%
2024: AI examples
1.3%
2025: August memo
0.0%
6.0%

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

PTAB appeals

Matched decisions: 2. Merits outcomes: 0 affirmed, 1 affirmed in part, and 1 reversed.

Full reversal rate
50.0% 1/2 decisions
Full or partial reversal rate
100.0% 2/2 decisions
Median appeal duration
14.0 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Sep. 30, 2022 14/525,951 Reversed §103 · §112
Nov. 30, 2017 14/147,531 Affirmed in part §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.

Job History

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