Examiner Shahriar Zarrineh

Grant ratio: 66.3% (18th percentile in Art Unit 2497 among examiners with at least 20 applications). Average office actions per grant: 2.21. Most common rejection type: §103.

Recently active Last office action in data: August 2026
Grant ratio 66.3%
Average office actions / grant 2.21
Compared with Art unit Very hard
Compared with Work group About average
Compared with Technology center About average
Compared with USPTO About average

Examiner record

Examiner ID
90576
Primary art unit
2497
Work group
2490
Technology center
2400
Applications
508
Granted applications
337
Examiner phone
(571) 272-1207
Supervisor
Jorge Ortiz-Criado
Supervisor phone
(571) 272-7624

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Peer comparisons

GroupExaminersAverage grant ratioAverage office actions / grant
Art Unit 26 66.5% 1.93
Group 198 61.4% 2.06
Tech Center 1,754 58.4% 2.14
USPTO 16,475 52.7% 1.98

Office actions per application

Average office actions per application 2.46 1,249 office actions across 508 applications
Applications with office actions 98.0% 498 applications
Office actionsApplicationsShare of applications
No OA observed 10 2.0%
1 OA 170 33.5%
2 OAs 149 29.3%
3 OAs 60 11.8%
4 OAs 67 13.2%
5+ OAs 52 10.2%

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

Grant history

0.0% 25.0% 50.0% 75.0% 100.0% 2013: 100.0% 2013 2014: 75.9% 2014 2015: 86.8% 2015 2016: 81.3% 2016 2017: 86.1% 2017 2018: 90.0% 2018 2019: 80.9% 2019 2020: 89.4% 2020 2021: 87.1% 2021 2022: 82.9% 2022 2023: 64.7% 2023 2024: 50.0% 2024 2025: 26.8% 2025 2026: 0.0% 2026

Recent ratios may be lower while applications remain pending.

Yearly counts
YearApplicationsGrantsGrant rate
201322100.0%
2014292275.9%
2015383386.8%
2016322681.3%
2017363186.1%
2018403690.0%
2019473880.9%
2020474289.4%
2021312787.1%
2022352982.9%
2023342264.7%
2024361850.0%
2025411126.8%
20266000.0%

Rejections by office-action stage

Office-action stageActions observed§101§102§103§112
Action 1 498 2.0% 9.6% 76.9% 3.8%
Action 2 328 3.0% 6.1% 81.1% 5.2%
Action 3 179 1.1% 5.0% 81.0% 2.8%
Action 4 119 0.0% 3.4% 82.4% 2.5%
Action 5 52 0.0% 5.8% 75.0% 5.8%
Action 6 33 0.0% 3.0% 81.8% 3.0%
Action 7 20 5.0% 0.0% 80.0% 0.0%
Action 8 13 0.0% 15.4% 76.9% 0.0%
Action 9 3 0.0% 0.0% 100.0% 0.0%
Action 10 2 0.0% 0.0% 100.0% 0.0%

Section 101 rejections

Last 3 years 0.5% 2 of 364 office actions
All years 1.8% 23 of 1,249 office actions
Change -1.3 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%
0.0%
0.0%
2014: Alice
12.1%
9.4%
1.3%
1.2%
0.0%
2019: PEG
1.0%
0.0%
0.0%
0.0%
1.4%
2024: AI examples
0.0%
2025: August memo
0.0%
1.3%

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

PTAB appeals

Matched decisions: 11. Merits outcomes: 6 affirmed, 0 affirmed in part, and 5 reversed.

Full reversal rate
45.5% 5/11 decisions
Full or partial reversal rate
45.5% 5/11 decisions
Median appeal duration
9.4 months
New grounds of rejection
1
Recent decisions
DecisionApplicationOutcomeIssues
Jul. 29, 2026 17/303,547 Reversed §103
Jun. 18, 2026 16/370,754 Reversed §103
Jun. 8, 2026 17/232,550 Affirmed §103
Jan. 12, 2026 16/921,581 Reversed New ground of rejection §103 · §112
Mar. 26, 2025 17/992,879 Reversed §103
Sep. 30, 2024 17/207,070 Affirmed §103
Jun. 27, 2024 17/139,927 Affirmed §102 · §103
Feb. 3, 2023 16/116,583 Affirmed §103
Nov. 18, 2020 16/032,185 Affirmed §103
Nov. 30, 2017 14/267,124 Reversed §103
Mar. 8, 2017 13/673,410 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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