Listed by the USPTO as LIU, TRACY
Tech Center 1600 • Art Units: 1612 1614 1615 1621
This examiner grants 54% of resolved cases
LIU, TRACY is a USPTO patent examiner in Tech Center 1600 and Art Unit 1612. The record covers 686 resolved cases, with a 54.5% allowance rate and a median of 1170 days to allowance. The allowance figure reflects a closely divided record, while the median timing indicates that applications may require a prolonged prosecution path.
The interview lift is 26.9%, showing a meaningful association between interviews and allowance outcomes. The listed companies are Colgate-Palmolive, Procter & Gamble, and Shin-Etsu Chemical. The listed firms are Foley & Lardner, Oblon, and BakerHostetler. Practitioners may wish to pair interview preparation with careful claim narrowing and clear explanations of the technical distinction from cited art.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18936549 | Oral Care Compositions Comprising Dicarboxylic Acid | Non-Final OA | The Procter & Gamble Company |
| 18911823 | Oral Care Compositions Comprising Dicarboxylic Acid | Non-Final OA | The Procter & Gamble Company |
| 18484713 | ORAL CARE COMPOSITIONS COMPRISING DICARBOXYLIC ACID | Non-Final OA | The Procter & Gamble Company |
| 18335268 | SKIN CARE COMPOSITION WITH CLEAN POLYMER | Final Rejection | The Procter & Gamble Company |
| 18130107 | UNIT-DOSE ORAL CARE COMPOSITIONS COMPRISING FLUORIDE | Final Rejection | The Procter & Gamble Company |
| 18081753 | COSMETIC COMPOSITION COMPRISING SILICA AND LAUROYL LYSINE | Final Rejection | The Procter & Gamble Company |
| 17715435 | DRUG DELIVERY SYSTEMS AND TARGETED RELEASE OF PHARMACEUTICAL AGENTS WITH FOCUSED ULTRASOUND | Final Rejection | THE JOHNS HOPKINS UNIVERSITY |
| 17905136 | FUNGICIDAL COMPOSITIONS | Non-Final OA | SYNGENTA CROP PROTECTION AG |
| 18846320 | SURFACTANT AND COSMETIC | Final Rejection | SHIN-ETSU CHEMICAL CO., LTD. |
| 18036703 | SLURRY DISPERSION, COSMETIC AND METHOD FOR PRODUCING SAME | Final Rejection | SHIN-ETSU CHEMICAL CO., LTD. |
| 18903674 | ANTI-ADHESION COMPOSITION | Non-Final OA | The University of Tokyo |
| 18274996 | PRUSSIAN BLUE DISPERSION FOR COSMETICS, AND COSMETICS INCLUDING SAME | Final Rejection | MITSUBISHI PENCIL COMPANY, LIMITED |
| 18014363 | DIAGNOSTIC AGENT FOR PANCREATIC FUNCTION | Final Rejection | HAMAMATSU PHOTONICS K.K. |
| 18019993 | METHODS AND AGENTS FOR THE DETECTION AND TREATMENT OF CANCER | Final Rejection | CASE WESTERN RESERVE UNIVERSITY |
| 18717446 | POWDERED COSMETIC COMPOSITION | Final Rejection | Conopco, Inc., d/b/a UNILEVER |
| 18843151 | METHOD FOR CONTROLLING HARMFUL ARTHROPODS OR HARMFUL NEMATODES USING ZOANTHAMINE ANALOG | Final Rejection | SUMITOMO CHEMICAL COMPANY, LIMITED |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy54.5% of resolved applications examined by Tracy Liu were allowed (686 resolved cases), compared with 40.7% across Art Unit 1612 over the last five years.
This examiner's interview lift is +26.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Tracy Liu took 1,170 days on average from filing to allowance.
Tracy Liu examines applications in Art Unit 1612 in Tech Center 1600 (Biotechnology & Pharmaceuticals).
