Examiner Ross J. Christie

Grant ratio: 61.2% (58th percentile in Art Unit 1731 among examiners with at least 20 applications). Average office actions per grant: 2.80. Most common rejection type: §103.

Appears inactive Last office action in data: April 2024
Grant ratio 61.2%
Average office actions / grant 2.80
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
87134
Primary art unit
1731
Work group
1730
Technology center
1700
Applications
624
Granted applications
382

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 32 48.4% 1.87
Group 192 48.0% 1.97
Tech Center 1,816 43.3% 2.14
USPTO 16,620 51.8% 1.98

Office actions per application

Average office actions per application 2.74 1,785 office actions across 652 applications
Applications with office actions 100.0% 652 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 177 27.1%
2 OAs 193 29.6%
3 OAs 116 17.8%
4 OAs 74 11.3%
5+ OAs 92 14.1%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2010: 50.0% 2010 2011: 55.6% 2011 2012: 52.6% 2012 2013: 69.6% 2013 2014: 61.7% 2014 2015: 51.7% 2015 2016: 49.1% 2016 2017: 64.0% 2017 2018: 55.9% 2018 2019: 61.4% 2019 2020: 60.4% 2020 2021: 74.0% 2021 2022: 71.4% 2022 2023: 65.9% 2023 2024: 71.4% 2024

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
20108450.0%
2011452555.6%
2012382052.6%
2013563969.6%
2014472961.7%
2015291551.7%
2016572849.1%
2017503264.0%
2018593355.9%
2019442761.4%
2020482960.4%
2021503774.0%
2022352571.4%
2023442965.9%
2024141071.4%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 652 0.3% 6.6% 79.8% 2.3%
Action 2 475 0.0% 13.9% 71.6% 11.8%
Action 3 282 0.4% 7.1% 78.7% 11.0%
Action 4 166 0.6% 9.6% 78.9% 9.6%
Action 5 92 0.0% 5.4% 84.8% 9.8%
Action 6 60 0.0% 3.3% 86.7% 10.0%
Action 7 28 0.0% 0.0% 85.7% 14.3%
Action 8 18 0.0% 0.0% 100.0% 0.0%
Action 9 7 0.0% 0.0% 85.7% 14.3%
Action 10 4 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years 0.0% 0 of 43 office actions
All years 0.2% 4 of 1,785 office actions
Change -0.2 pts Percentage points

Last 3 years: 2023-10-23–2026-10-23. All years includes every dated office action in the data.

By year

0.0%
0.0%
0.0%
0.0%
0.7%
0.5%
2014: Alice
0.0%
0.0%
0.7%
0.0%
0.0%
2019: PEG
0.0%
0.0%
0.0%
0.0%
0.8%
2024: AI examples
0.0%

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

PTAB appeals

Matched decisions: 19. Merits outcomes: 10 affirmed, 0 affirmed in part, and 9 reversed.

Full reversal rate
47.4% 9/19 decisions
Full or partial reversal rate
47.4% 9/19 decisions
Median appeal duration
14.9 months
New grounds of rejection
2
Recent decisions
DecisionApplicationOutcomeIssues
Sep. 3, 2025 16/292,257 Affirmed N/A
Jun. 13, 2024 12/523,543 Affirmed §103
Sep. 28, 2022 15/560,440 Reversed §103
Aug. 1, 2022 15/573,326 Affirmed N/A
Nov. 17, 2021 14/028,328 Affirmed New ground of rejection §103
Sep. 7, 2021 14/481,570 Reversed New ground of rejection §103 · §112
Mar. 30, 2020 12/592,162 Reversed N/A
Feb. 25, 2020 15/315,635 Affirmed §102 · §103
Oct. 21, 2019 15/400,617 Reversed §103
Oct. 21, 2019 14/257,762 Reversed §103
Jul. 25, 2019 14/901,284 Reversed §103
May. 21, 2019 13/055,264 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 Oct. 30, 2026.

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