Prosecution Insights
Prosecution Insights
Tech Center 1600 • Art Units: 1641 1645 1677 1678
This examiner grants 75% of resolved cases
Changhwa J. Cheu is an examiner in Tech Center 1600 and Art Unit 1641. The examiner has 1193 resolved cases. The data shows an allowance rate of 74.6 percent for these cases. This 74.6 percent rate provides a baseline for applicants to evaluate the probability of success when their applications are assigned to this examiner.
The interview lift for this examiner is 47.4 percent. This 47.4 percent lift is a comparison to the allowance rate, indicating that direct communication is a significant factor in the prosecution process. Practitioners can use this figure to evaluate the impact of conducting an interview, as it correlates with an increased probability of reaching an allowance compared to the 74.6 percent baseline.
The median days to allowance for Cheu is 972. This 972-day measure provides an expectation for the duration of the patent prosecution cycle. With 1193 resolved cases, the examiner has a history that supports these metrics. The combination of the allowance rate and the 972-day median pendency helps in planning patent strategies for Art Unit 1641.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18336644 | FAST PROTEIN SEQUENCING | Non-Final OA | Regeneron Pharmaceuticals, Inc. |
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