Listed by the USPTO as TRAN, LEN
Tech Center 3700 • Art Units: 3744 3752 3763
This examiner grants 16% of resolved cases
TRAN, LEN works in Tech Center 3700 and Art Unit 3744. The profile records 122 resolved cases, an allowance rate of 15.6%, and an interview lift of 25.2%. The median time to allowance is 1279 days. The combination shows a relatively limited resolved-case base and a low allowance rate in the reported docket, while the interview figure identifies a materially relevant prosecution event for applicants developing response strategies.
The listed companies are Ngk Insulators Ltd., Kohler Co., and ZOBELE HOLDING S.P.A. The leading firms are Muncy, Geissler, Olds & Lowe, P.C., Bainwood, Huang & Associates, LLC, and DLA Piper LLP (US) Boston. Practitioners handling matters in this assignment should consider focused claim amendments and deliberate interview preparation, particularly where preserving commercially important claim features requires iterative prosecution.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18846659 | A METHOD FOR MANUFACTURE OF HYBRID METAL ALLOY CASTINGS | Non-Final OA | Individual inventor |
| 18696231 | DEVICES, SYSTEMS, AND METHODS FOR APPLICATION OF FIRE RETARDANT | Final Rejection | Individual inventor |
| 18927092 | PRESSURIZED SHOWERHEAD HAVING AN ARRAY OF DIGITALLY CONTROLLED VALVES | Non-Final OA | KOHLER CO. |
| 18581539 | HONEYCOMB STRUCTURE FOR HEAT EXCHANGER AND HEAT EXCHANGER | Non-Final OA | NGK INSULATORS, LTD. |
| 18407526 | HEAT EXCHANGER | Final Rejection | NGK INSULATORS, LTD. |
| 18719288 | DEVICE FOR EVAPORATING VOLATILE SUBSTANCES | Non-Final OA | Zobele Holding, S.p.A |
| 18838976 | METHOD AND APPARATUS FOR IMPROVING ALUMINUM DEGASSING EFFICIENCY | Non-Final OA | PYROTEK, INC. |
| 18846618 | DISPENSING DEVICE FOR INTERMITTENTLY DISPENSING A COOLING MEDIUM ONTO A CAST STRAND | Non-Final OA | Primetals Technologies Austria GmbH |
| 18290978 | SELF-DEFROSTING HEAT EXCHANGER AND METHOD OF USING SAME | Non-Final OA | Vladimir Vladimirovich FEDOROV |
| 18685507 | Air cooled heat exchanger | Final Rejection | DHES B.V. |
| 18579700 | CEILING ELEMENT WITH AIR OUTLET BOX | Final Rejection | ZEHNDER GROUP INTERNATIONAL AG |
| 18230121 | PLANTING SYSTEM HAVING AGITATOR | Non-Final OA | VENTUREONE - SOLE PROPRIETORSHIP L.L.C. |
| 18025787 | APPARATUS AND METHOD FOR THERMAL FOUNDATION ELEMENTS | Final Rejection | CAPTURE TECHNOLOGIES CORPORATION |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy15.6% of resolved applications examined by Len Tran were allowed (122 resolved cases), compared with 0.0% across Art Unit 3744 over the last five years.
This examiner's interview lift is +25.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Len Tran took 1,279 days on average from filing to allowance.
Len Tran examines applications in Art Unit 3744 in Tech Center 3700 (Medical Devices & Mechanical Engineering).