1. Stats
  2. USPTO
  3. TC 1600
  4. Group 1610
  5. Art Unit 1614
  6. Examiner Liu

Examiner Liu Tracy

1614-LIU-TRACY

Employment Information

Art Unit:1614 — Drug, bio-affecting and body treating compositions
Group:1610 — Pharmaceutical and Agricultural Compositions; Plant Growth Regulating Compositions: Bio-affecting, Body Treating, Drug Delivery, Steroids, Herbicides, Pesticides, Cosmetics, and Drugs; In vivo Diagnostic Agents
Classes: 424 — Drug, bio-affecting and body treating compositions
514 — Drug, bio-affecting and body treating compositions
132 — Toilet
604 — Surgery
623 — Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor
606 — Surgery
106 — Compositions: coating or plastic
222 — Dispensing
504 — Plant protecting and regulating compositions
Phone:(571) 270-5115
Email:tracy.liu@uspto.gov
Location:VA 22314
Title:Pat Examnr Cheml Engrg
Service:14 years
Grade:GS-14

Grant Rate and Difficulty Ranking

83
3-Year Grant rate: 46% over 322 cases
Difficulty: Very Hard
Difficulty Percentile: 83rd

With Examiner Liu, you have a 46% chance of getting an issued patent by 3 years after the first office action. Examiner Liu is a very hard examiner and in the 83rd percentile across all examiners (with 100th percentile most difficult).

Grant Rate

Grant Rate Timeline

Below is the grant rate timeline for Examiner Liu, where the timeline is relative to the date of the first office action. The three-year grant rate is the percentage of applications granted at three years after the first office action.

Comparison with Art Unit 1614

Examiner Liu's grant rate is lower than that of Art Unit 1614 and lower than that of the USPTO.

Average Office Actions Per Grant
Examiner Liu 3.2
Art Unit 1614 2.1

Interview Benefit

Grant Rate without Interview

Examiner Liu has granted 88 of 216 cases without any applicant-requested interviews for a grant rate of 41%.

Grant Rate with Interview

Examiner Liu has granted 60 of 106 cases with at least one applicant-requested interview for a grant rate of 57%.

Interview Benefit

With Examiner Liu, conducting an interview increases your chance of getting a patent granted by 39%.

Recent Dispositions

Recent Dispositions

Number Title OA Rejections Status IFW
17924985 Aromatic Compound, Preparation Method Therefor And Use Thereof In Drug Rejection information available with a Premium Stats subscription. See our pricing. Abandoned View
18301186 Therapeutic Composition For Arresting, Preventing And Reversing Dental Disease Abandoned View
18172360 Biodegradable Polymer-Nanoparticle Based Implants For Ocular Drug Delivery Abandoned View
18025077 Bacillus Subtilis Strain And Use Thereof Abandoned View
18304485 Absorbable Iron-Based Alloy Implanted Medical Device Abandoned View
17295796 Dental Cleaner And Dental Remover For Temporary Adhesives Abandoned View
17995054 Radiopharmaceuticals And Composition For Thrombus Imaging Patented View
17308080 Oral Care Compositions Comprising Dicarboxylic Acid Abandoned View
18168336 Oral Composition And Methods Patented View
16045678 Chemical Membrane Complex Repair Solution And Method Of Using The Same Patented View
17625765 Cosmetic Composition Including 5-Benzylaminosalicylic Acid Derivative, And Topical Use Thereof Abandoned View
17801817 Magnetic Resonance Imaging Contrast Agent, Preparation Method And Use Thereof Abandoned View
17044657 Macromolecular And Nonparticulate Agrochemicals To Reduce Vapor Drift Abandoned View
17802347 Oral Hygiene Compositions Abandoned View
17714090 Topical Pharmaceutical Compositions For Treating Skin Conditions Abandoned View
17513013 Porous Composites With High-Aspect Ratio Crystals Patented View
18325665 Injectable Silk Fibroin Foams And Uses Thereof Abandoned View
17689848 Compositions With Increased Color Shade Stability Abandoned View
17972186 Cosmetic Compositions Comprising Dragline Spider Silk Patented View
16334247 Polymer-Free Drug Eluting Vascular Stents Patented View
18310312 Antifungal Composites And Methods Thereof Abandoned View
18155770 Temporary Hair Dye Composition Abandoned View
16062422 Water-In-Oil Emulsion With Moisturizing Effect Containing Hydrophobic Coated Pigments And An Aqueous Phase At High Content Abandoned View
17419527 Oral Articles And Methods Of Use Patented View
18053120 Natural Combination Hormone Replacement Formulations And Therapies Abandoned View
17289181 Bis(Triethoxysilyl-Propyl)amine Combined With Polyvalent Metal Cations Abandoned View
18511294 Synthetic Enamel And Uses Thereof Patented View
18162479 Topical Instant Smoothing And Coloring Compositions For The Skin Abandoned View
17864646 Vegan Semi-Solid Cosmetic Composition Patented View
17550558 Chemical Membrane Complex Repair Solution And Method Of Using The Same Abandoned View
17571179 Oral Care Compositions And Methods Of Use Patented View
16694739 Non-Sorptive Or Minimally Sorptive Disinfectant Wipes Patented View
16797580 Methods Of Treatment Using Topical Copper Ion Formulations Patented View
17630205 1,8-Cineol Coated Implants Abandoned View
17279365 Photonic Barrier For Topical Use, Comprising Bismuth Oxide Colloids Patented View
17165897 L-Serine Compositions, Methods And Uses For Treating Neurodegenerative Diseases And Disorders Patented View
17253395 Composition With Long-Lasting Concealing Effects Patented View
16623742 Cosmetic Product Using Photochromic Powder And Method Of Manufacturing The Same Abandoned View
17130405 Composition And Method For Inhibiting Platelet Aggregation Abandoned View
18183415 Dispensing Method For Producing Dissolvable Unit Dose Film Constructs Patented View
17987336 Tooth Anti-Staining Composition, Kit And Method Of Using The Same Abandoned View
15270352 Methods And Systems For Treating Medical Devices And Fluids Abandoned View
16006721 Vaginal Inserted Estradiol Pharmaceutical Compositions And Methods Abandoned View
17515263 Vaginal Inserted Estradiol Pharmaceutical Compositions And Methods Abandoned View
17372315 Long-Acting Polymeric Delivery Systems Abandoned View
17120197 Dental Care Cannabis Device And Use Thereof Abandoned View
17056139 Docetaxel Palmitate Liposome And Preparation Method Thereof Abandoned View
16961080 Anti-Adhesion Composition Abandoned View
17226936 Methods Of Treatment Using Topical Copper Ion Formulations Abandoned View
18074838 Oral Care Compositions Containing A Gel Network Phase Patented View

Appeals Statistics

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