Examiner Charles E. Phillips

Grant ratio: 26.9% (28th percentile in Art Unit 3751 among examiners with at least 20 applications). Average office actions per grant: 2.33. Most common rejection type: §103.

Appears inactive Last office action in data: May 2020
Grant ratio 26.9%
Average office actions / grant 2.33
Compared with Art unit Very hard
Compared with Work group Very hard
Compared with Technology center Very hard
Compared with USPTO Very hard

Examiner record

Examiner ID
66923
Primary art unit
3751
Work group
3750
Technology center
3700
Applications
193
Granted applications
52

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 12 29.6% 1.55
Group 162 53.4% 1.75
Tech Center 2,671 48.4% 2.01
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 1.88 377 office actions across 201 applications
Applications with office actions 100.0% 201 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 108 53.7%
2 OAs 53 26.4%
3 OAs 13 6.5%
4 OAs 16 8.0%
5+ OAs 11 5.5%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2008: 21.3% 2008 2009: 30.4% 2009 2010: 26.7% 2010 2014: 0.0% 2014 2015: 40.0% 2015 2016: 0.0% 2016 2017: 36.4% 2017 2018: 30.8% 2018 2019: 50.0% 2019 2020: 66.7% 2020

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2008751621.3%
2009561730.4%
201015426.7%
2014100.0%
20155240.0%
2016800.0%
201711436.4%
201813430.8%
20196350.0%
20203266.7%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 201 1.0% 7.5% 77.1% 6.0%
Action 2 93 0.0% 4.3% 75.3% 9.7%
Action 3 40 0.0% 12.5% 67.5% 7.5%
Action 4 27 0.0% 7.4% 63.0% 18.5%
Action 5 11 0.0% 9.1% 54.5% 9.1%
Action 6 3 0.0% 0.0% 33.3% 33.3%
Action 7 2 0.0% 0.0% 50.0% 0.0%

Section 101 rejections

Last 3 years N/A 0 of 0 office actions
All years 0.5% 2 of 377 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

0.7%
0.0%
0.0%
0.0%
0.0%
0.0%
2014: Alice
0.0%
0.0%
0.0%
0.0%
0.0%
2019: PEG
0.0%
10.0%

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

PTAB appeals

Matched decisions: 4. Merits outcomes: 2 affirmed, 0 affirmed in part, and 2 reversed.

Full reversal rate
50.0% 2/4 decisions
Full or partial reversal rate
50.0% 2/4 decisions
Median appeal duration
22.8 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Nov. 4, 2020 15/847,390 Affirmed §102 · §103 · §112
Nov. 4, 2020 15/847,064 Affirmed §102 · §103 · §112
Jan. 29, 2020 15/592,721 Reversed §103
Feb. 24, 2010 10/928,844 Reversed §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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