Examiner Christine Johnson

Grant ratio: 15.3% (4th percentile in Art Unit 2844 among examiners with at least 20 applications). Average office actions per grant: 2.70. Most common rejection type: §103.

Appears inactive Last office action in data: October 2020
Grant ratio 15.3%
Average office actions / grant 2.70
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
89859
Primary art unit
2844
Work group
3690
Technology center
3600
Applications
176
Granted applications
27

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 38 71.5% 1.65
Group 163 34.3% 2.69
Tech Center 2,381 46.2% 2.12
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.47 575 office actions across 233 applications
Applications with office actions 100.0% 233 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 76 32.6%
2 OAs 74 31.8%
3 OAs 41 17.6%
4 OAs 17 7.3%
5+ OAs 25 10.7%

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: 19.2% 2013 2014: 17.2% 2014 2015: 28.6% 2015 2016: 0.0% 2016 2017: 5.9% 2017 2018: 19.0% 2018 2019: 8.3% 2019 2020: 25.0% 2020

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
2012100.0%
201326519.2%
201429517.2%
201521628.6%
20162100.0%
20171715.9%
201821419.0%
20192428.3%
202016425.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 233 1.3% 19.3% 67.0% 12.0%
Action 2 157 6.4% 17.2% 56.7% 19.1%
Action 3 83 8.4% 14.5% 61.4% 14.5%
Action 4 42 14.3% 19.0% 57.1% 7.1%
Action 5 25 20.0% 8.0% 52.0% 20.0%
Action 6 13 15.4% 23.1% 61.5% 0.0%
Action 7 10 0.0% 30.0% 60.0% 0.0%
Action 8 6 16.7% 0.0% 50.0% 33.3%
Action 9 1 0.0% 0.0% 100.0% 0.0%
Action 10 1 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years N/A 0 of 0 office actions
All years 6.1% 35 of 575 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%
2014: Alice
1.5%
16.7%
1.4%
1.4%
4.9%
2019: PEG
20.0%
11.1%

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

PTAB appeals

Matched decisions: 5. Merits outcomes: 2 affirmed, 0 affirmed in part, and 3 reversed.

Full reversal rate
60.0% 3/5 decisions
Full or partial reversal rate
60.0% 3/5 decisions
Median appeal duration
14.9 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Jul. 21, 2020 14/650,729 Reversed §101 · §102 · §103
Jun. 4, 2020 13/676,379 Reversed §103
Dec. 31, 2019 14/482,685 Affirmed §101 · §102 · §120
Jan. 31, 2018 11/758,550 Affirmed §101 · §102
Oct. 17, 2016 12/948,591 Reversed §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.

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