Examiner Mary Byram

Examiner Mary Byram appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 44.9%, they average 2.59 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 2.59

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Examiner Details

Observed Examiner Years: 7 years (2020-2026)
Phone: (571) 272-0690
Predicted Supervisor: Ula Ruddock
Supervisor Phone: (571) 272-1481
Tech Center: 1700 - Chemical and Materials Engineering
Group: 1720 - Fuel Cells, Batteries, Solar Cells, Liquid Crystal Composition

Metrics

Applications Evaluated: 234
Granted Applications: 105
Non-Granted Applications: 129
Avg OA / Grant: 2.59
Last OA Observed: July 2026 (1 months ago)
Art Units Seen: 1729
Work Groups Seen: 1720 - Fuel Cells, Batteries, Solar Cells, Liquid Crystal Composition

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	44.9%	2.59
Art Unit	26	45.0%	2.45
Group	256	48.0%	2.20
Tech Center	1,762	45.4%	2.14
USPTO	16,347	53.5%	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	6	4	66.7%
2021	27	18	66.7%
2022	28	16	57.1%
2023	40	21	52.5%
2024	37	33	89.2%
2025	46	13	28.3%
2026	50	0	0.0%

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	222	0.0%	4.1%	91.9%	0.5%
2	173	0.0%	1.7%	91.3%	3.5%
3	97	0.0%	2.1%	89.7%	5.2%
4	50	0.0%	0.0%	94.0%	4.0%
5	22	0.0%	0.0%	95.5%	4.5%
6	7	0.0%	0.0%	85.7%	0.0%
7	3	0.0%	0.0%	66.7%	0.0%
8	2	0.0%	0.0%	100.0%	0.0%