Prosecution Insights
Prosecution Insights
Tech Center 2800 • Art Units: 2872 2878 2881
This examiner grants 86% of resolved cases
Hanway Chang is an examiner in Tech Center 2800 and Art Unit 2872. The examiner has 677 resolved cases. This history of resolutions provides a dataset for observing the examiner's approach to patentability. The number of cases indicates the examiner's experience with the legal and technical standards of this unit and the 2800 tech center.
The allowance rate is 86.1 percent. This figure reflects the proportion of applications that result in a patent grant. The median days to allowance is 809. This duration represents the time required for a successful application to reach a grant. Practitioners should account for this timeframe when planning their prosecution strategy and managing applicant expectations regarding the length of the process.
The interview lift is 7.7 percent. This metric shows that an interview is associated with an increase in the likelihood of an allowance. The positive lift suggests that direct communication is a successful method for overcoming rejections with this examiner. Applicants may use interviews to clarify technical points and potentially improve the outcome of their prosecution efforts in this art unit.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18822120 | SYSTEMS AND METHODS FOR DISINFECTION | Non-Final OA | P Tech, LLC |
| 18788380 | CONTROL OF DYNAMIC GAS LOCK FLOW INLETS OF AN INTERMEDIATE FOCUS CAP | Non-Final OA | Taiwan Semiconductor Manufacturing Company, Ltd. |
| 18781435 | EUV LITHOGRAPHY APPARATUS | Non-Final OA | Taiwan Semiconductor Manufacturing Company, Ltd. |
| 18776833 | METHOD AND APPARATUS FOR MITIGATING CONTAMINATION | Non-Final OA | Taiwan Semiconductor Manufacturing Company, Ltd. |
| 18787736 | LITHOGRAPHY THERMAL CONTROL | Non-Final OA | Taiwan Semiconductor Manufacturing Co., Ltd. |
| 18753674 | ION EXTRACTION OPTICS WITH DYNAMIC EXTRACTION ANGLE CONTROL | Non-Final OA | Applied Materials, Inc. |
| 17891961 | INSPECTION APPARATUS | Final Rejection | ASML Netherlands B.V. |
| 18280542 | Bifurcated Mass Spectrometer | Non-Final OA | DH Technologies Development Pte. Ltd. |
| 18509205 | IN-VACUUM CHAMBER CONTROLLED-GAS-FILM DEVICE TO REDUCE LASER ABLATION REDEPOSITS | Final Rejection | FEI Company |
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