Examiner Christian Roldan

Grant ratio: 54.9% (58th percentile in Art Unit 1723 among examiners with at least 20 applications). Average office actions per grant: 2.96. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 54.9%
Average office actions / grant 2.96
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
89180
Primary art unit
1723
Work group
1720
Technology center
1700
Applications
359
Granted applications
197
Examiner phone
(571) 272-5098
Supervisor
Milton I. Cano
Supervisor phone
(313) 446-4937

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 39 43.4% 2.05
Group 264 46.2% 2.20
Tech Center 1,792 44.3% 2.14
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.65 950 office actions across 359 applications
Applications with office actions 98.6% 354 applications
Office actionsApplicationsShare of applications
No OA observed 5 1.4%
1 OA 92 25.6%
2 OAs 120 33.4%
3 OAs 47 13.1%
4 OAs 49 13.6%
5+ OAs 46 12.8%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2017: 25.0% 2017 2018: 64.7% 2018 2019: 57.1% 2019 2020: 31.3% 2020 2021: 78.6% 2021 2022: 75.0% 2022 2023: 81.6% 2023 2024: 88.9% 2024 2025: 42.9% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
201716425.0%
2018342264.7%
2019281657.1%
2020321031.3%
2021423378.6%
2022443375.0%
2023383181.6%
2024272488.9%
2025562442.9%
20264200.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 354 1.1% 6.2% 76.6% 4.2%
Action 2 262 0.0% 4.2% 79.0% 10.7%
Action 3 142 0.0% 2.1% 82.4% 8.5%
Action 4 95 0.0% 0.0% 75.8% 22.1%
Action 5 46 0.0% 0.0% 82.6% 15.2%
Action 6 29 0.0% 0.0% 89.7% 6.9%
Action 7 13 0.0% 0.0% 92.3% 7.7%
Action 8 6 0.0% 0.0% 83.3% 16.7%
Action 9 2 0.0% 0.0% 50.0% 0.0%
Action 10 1 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years 0.8% 2 of 237 office actions
All years 0.4% 4 of 950 office actions
Change +0.4 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%
2014: Alice
0.0%
0.0%
0.0%
0.0%
1.1%
2019: PEG
1.1%
0.0%
0.0%
0.0%
1.1%
2024: AI examples
1.6%
2025: August memo
0.0%
0.0%

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

PTAB appeals

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

Full reversal rate
40.0% 2/5 decisions
Full or partial reversal rate
40.0% 2/5 decisions
Median appeal duration
14.5 months
New grounds of rejection
0
Recent decisions
DecisionApplicationOutcomeIssues
May. 10, 2023 13/919,818 Affirmed §102 · §103 · §112
Jan. 20, 2023 15/654,314 Affirmed §103
Oct. 5, 2022 16/476,715 Reversed §103
Nov. 16, 2020 14/725,221 Reversed §102 · §103
Oct. 19, 2020 15/160,287 Affirmed §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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