Examiner Nandini Subramani

Examiner Nandini Subramani appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 47.7%, they average 2.60 office actions per granted patent, and their rejection profile is dominated by §103.

Difficulty vs AU Very Hard

Difficulty vs Group Very Hard

Difficulty vs TC Very Hard

Difficulty vs USPTO Very Hard

Average OA / Grant 2.60

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Examiner Details

Observed Examiner Years: 6 years (2021-2026)
Phone: (571) 272-3916
Predicted Supervisor: Bhavesh M Mehta
Supervisor Phone: (571) 272-7453
Tech Center: 2600 - Communications
Group: 2650 - Speech Signal Processing, Linguistics, and Audio Compression

Metrics

Applications Evaluated: 111
Granted Applications: 53
Non-Granted Applications: 58
Avg OA / Grant: 2.60
Last OA Observed: March 2026 (3 months ago)
Art Units Seen: 2656
Work Groups Seen: 2650 - Speech Signal Processing, Linguistics, and Audio Compression

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	47.7%	2.60
Art Unit	36	69.6%	1.67
Group	207	61.5%	1.87
Tech Center	1,729	59.3%	1.88
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 2021; examiner may not yet have been active in the available dataset.
2021	2	1	50.0%
2022	26	19	73.1%
2023	30	18	60.0%
2024	18	11	61.1%
2025	24	4	16.7%
2026	11	0	0.0%

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	111	0.0%	2.7%	97.3%	0.0%
2	90	0.0%	2.2%	97.8%	0.0%
3	50	0.0%	2.0%	94.0%	2.0%
4	28	0.0%	0.0%	96.4%	0.0%
5	9	0.0%	0.0%	100.0%	0.0%