Examiner Phyllis A Book

Grant ratio: 76.6% (66th percentile in Art Unit 2454 among examiners with at least 20 applications). Average office actions per grant: 1.93. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 76.6%
Average office actions / grant 1.93
Compared with Art unit Very easy
Compared with Work group Very easy
Compared with Technology center Very easy
Compared with USPTO Very easy

Examiner record

Examiner ID
89905
Primary art unit
2454
Work group
2450
Technology center
2400
Applications
491
Granted applications
376
Examiner phone
(571) 272-0698
Supervisor
Glenton Burgess
Supervisor phone
(571) 272-3949

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 42 63.7% 2.14
Group 210 57.4% 2.41
Tech Center 1,754 58.4% 2.14
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 1.98 974 office actions across 491 applications
Applications with office actions 100.0% 491 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 259 52.7%
2 OAs 116 23.6%
3 OAs 47 9.6%
4 OAs 38 7.7%
5+ OAs 31 6.3%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2013: 78.9% 2013 2014: 56.5% 2014 2015: 45.8% 2015 2016: 59.1% 2016 2017: 82.6% 2017 2018: 79.1% 2018 2019: 81.8% 2019 2020: 88.4% 2020 2021: 92.7% 2021 2022: 97.8% 2022 2023: 88.9% 2023 2024: 92.2% 2024 2025: 41.5% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2013191578.9%
2014231356.5%
2015241145.8%
2016221359.1%
2017463882.6%
2018433479.1%
2019332781.8%
2020433888.4%
2021413892.7%
2022464597.8%
2023454088.9%
2024514792.2%
2025411741.5%
20261400.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 491 3.3% 5.9% 74.7% 6.1%
Action 2 232 3.0% 4.3% 83.2% 9.1%
Action 3 116 2.6% 5.2% 87.1% 5.2%
Action 4 69 1.4% 2.9% 94.2% 1.4%
Action 5 31 0.0% 3.2% 90.3% 6.5%
Action 6 18 0.0% 5.6% 83.3% 11.1%
Action 7 6 0.0% 0.0% 100.0% 0.0%
Action 8 2 0.0% 0.0% 100.0% 0.0%
Action 9 2 0.0% 0.0% 50.0% 50.0%
Action 10 2 0.0% 0.0% 50.0% 50.0%

Section 101 rejections

Last 3 years 3.8% 6 of 157 office actions
All years 2.8% 27 of 974 office actions
Change +1.0 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%
1.6%
2014: Alice
2.9%
0.0%
1.0%
2.1%
9.2%
2019: PEG
1.6%
1.3%
1.6%
5.0%
1.4%
2024: AI examples
4.6%
2025: August memo
5.7%
0.0%

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

PTAB appeals

Matched decisions: 10. Merits outcomes: 6 affirmed, 2 affirmed in part, and 2 reversed.

Full reversal rate
20.0% 2/10 decisions
Full or partial reversal rate
40.0% 4/10 decisions
Median appeal duration
12.4 months
New grounds of rejection
1
Recent decisions
DecisionApplicationOutcomeIssues
Feb. 16, 2024 17/121,631 Affirmed §103
Jan. 20, 2022 15/436,575 Affirmed §101 · §103
Oct. 2, 2020 14/498,723 Affirmed in part §101 · §103
Aug. 24, 2020 15/843,918 Affirmed §103 · §112
Jul. 1, 2020 14/568,181 Reversed §101 · §103
Nov. 21, 2019 14/154,755 Affirmed in part New ground of rejection §102 · §103 · §112
Jun. 7, 2019 14/267,808 Affirmed §102 · §103
Aug. 24, 2018 14/497,421 Reversed §103
Sep. 25, 2017 14/118,235 Affirmed §101 · §103
Dec. 30, 2016 13/402,197 Affirmed §103 · §112

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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