Examiner Sandra Milena Rodriguez Villanueva

Examiner Sandra Milena Rodriguez Villanueva appears to be very easy relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 58.6%, they average 1.44 office actions per granted patent, and their rejection profile is dominated by §103 and elevated §112 usage.

Difficulty vs AU Very Easy

Difficulty vs Group Very Easy

Difficulty vs TC About Average

Difficulty vs USPTO Very Easy

Average OA / Grant 1.44

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Examiner Details

Observed Examiner Years: 4 years (2023-2026)
Phone: (571) 272-1936
Predicted Supervisor: Ajay Ojha
Supervisor Phone: (571) 272-8936
Tech Center: 2800 - Semiconductors, Electrical and Optical Systems and Components
Group: 2890 - Semiconductors B

Metrics

Applications Evaluated: 145
Granted Applications: 85
Non-Granted Applications: 60
Avg OA / Grant: 1.44
Last OA Observed: March 2026 (0 months ago)
Art Units Seen: 2898
Work Groups Seen: 2890 - Semiconductors B

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	58.6%	1.44
Art Unit	39	53.3%	1.70
Group	272	57.8%	1.76
Tech Center	2,370	64.7%	1.69
USPTO	16,116	54.8%	1.98

Grant Timeline

Shaded region marks the last two observed years, where grant outcomes may lag due to recency.

Year	Applications	Granted	Grant Rate
No observed data before 2023; examiner may not yet have been active in the available dataset.
2023	21	18	85.7%
2024	45	39	86.7%
2025	59	28	47.5%
2026	20	0	0.0%

85 family-cache-validated grants; 0 OA-only grant signals.

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	143	0.0%	4.9%	65.0%	29.4%
2	52	0.0%	0.0%	71.2%	28.8%
3	13	0.0%	0.0%	69.2%	30.8%
4	6	0.0%	0.0%	100.0%	0.0%
5	3	0.0%	0.0%	33.3%	33.3%