Examiner Emily G Castonguay

Appears inactive Last observed office action: September 2025 (9 months ago).

Examiner Emily G Castonguay appears to be very easy relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 75.0%, they average 1.46 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 About Average

Difficulty vs TC Very Easy

Difficulty vs USPTO Very Easy

Average OA / Grant 1.46

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Examiner Details

Observed Examiner Years: 6 years (2020-2025)
Tech Center: 3600 - Transportation, Electronic Commerce, Construction, Agriculture, Licensing and Review
Group: 3610 - Surface Transportation

Metrics

Applications Evaluated: 184
Granted Applications: 138
Non-Granted Applications: 46
Avg OA / Grant: 1.46
Last OA Observed: September 2025 (9 months ago)
Art Units Seen: 3615 , 3617
Work Groups Seen: 3610 - Surface Transportation

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	75.0%	1.46
Art Unit	22	70.7%	1.55
Group	152	63.7%	1.45
Tech Center	2,337	48.0%	2.11
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 2020; examiner may not yet have been active in the available dataset.
2020	4	3	75.0%
2021	36	27	75.0%
2022	46	39	84.8%
2023	41	34	82.9%
2024	37	27	73.0%
2025	20	8	40.0%
No observed data after 2025; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	185	0.0%	3.2%	54.1%	36.2%
2	66	0.0%	6.1%	68.2%	18.2%
3	15	0.0%	0.0%	86.7%	6.7%
4	1	0.0%	0.0%	100.0%	0.0%