Examiner Mark Roz

Grant ratio: 64.6% (23rd percentile in Art Unit 2669 among examiners with at least 20 applications). Average office actions per grant: 2.55. Most common rejection type: §103.

Recently active Last office action in data: July 2026
Grant ratio 64.6%
Average office actions / grant 2.55
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
86646
Primary art unit
2669
Work group
2660
Technology center
2600
Applications
407
Granted applications
263
Examiner phone
(571) 270-3382

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 29 60.7% 1.60
Group 289 63.2% 1.66
Tech Center 1,754 57.4% 1.88
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.58 1,052 office actions across 407 applications
Applications with office actions 100.0% 407 applications
Office actionsApplicationsShare of applications
No OA observed 0 0.0%
1 OA 126 31.0%
2 OAs 121 29.7%
3 OAs 44 10.8%
4 OAs 69 17.0%
5+ OAs 47 11.5%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2009: 41.7% 2009 2010: 62.5% 2010 2011: 61.3% 2011 2012: 53.6% 2012 2013: 55.6% 2013 2014: 68.8% 2014 2015: 50.0% 2015 2016: 79.2% 2016 2017: 66.7% 2017 2018: 72.4% 2018 2019: 62.5% 2019 2020: 69.7% 2020 2021: 82.8% 2021 2022: 68.4% 2022 2023: 94.7% 2023 2024: 88.9% 2024 2025: 37.5% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
200912541.7%
2010241562.5%
2011311961.3%
2012281553.6%
2013181055.6%
2014322268.8%
2015281450.0%
2016241979.2%
2017211466.7%
2018292172.4%
2019322062.5%
2020332369.7%
2021292482.8%
2022191368.4%
2023191894.7%
20249888.9%
20258337.5%
20261100.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 407 1.2% 17.9% 73.2% 5.7%
Action 2 281 0.4% 10.0% 77.9% 8.5%
Action 3 160 1.3% 5.0% 77.5% 15.0%
Action 4 116 0.0% 4.3% 84.5% 8.6%
Action 5 47 0.0% 0.0% 80.9% 19.1%
Action 6 29 0.0% 0.0% 79.3% 10.3%
Action 7 8 0.0% 0.0% 75.0% 25.0%
Action 8 4 0.0% 0.0% 75.0% 0.0%

Section 101 rejections

Last 3 years 0.0% 0 of 72 office actions
All years 0.8% 8 of 1,052 office actions
Change -0.8 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%
1.3%
0.0%
0.0%
2014: Alice
3.1%
2.6%
0.0%
0.0%
2.7%
2019: PEG
0.0%
0.0%
1.4%
0.0%
0.0%
2024: AI examples
0.0%
2025: August memo
0.0%
0.0%

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

PTAB appeals

Matched decisions: 7. Merits outcomes: 2 affirmed, 0 affirmed in part, and 5 reversed.

Full reversal rate
71.4% 5/7 decisions
Full or partial reversal rate
71.4% 5/7 decisions
Median appeal duration
25.7 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
Mar. 10, 2023 15/713,559 Reversed §103
Apr. 28, 2017 13/755,214 Affirmed §102 · §103 · §112
Aug. 26, 2016 12/221,505 Affirmed §103
Feb. 22, 2016 11/271,693 Reversed N/A
Mar. 11, 2015 11/492,447 Reversed N/A
Aug. 4, 2014 11/551,733 Reversed N/A
May. 28, 2014 11/421,273 Reversed 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 Aug. 27, 2026.

Job History

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