1. Stats
  2. USPTO
  3. TC 1700
  4. Group 1790
  5. Art Unit 1791
  6. Examiner Li

Examiner Li Changqing

1791-LI-CHANGQING

Employment Information

Art Unit:1791 — Food or edible material: processes, compositions, and products
Group:1790 — Food, Analytical Chemistry, Sterilization, Biochemistry, Electrochemistry
Classes: 426 — Food or edible material: processes, compositions, and products
424 — Drug, bio-affecting and body treating compositions
Phone:(571) 272-2334
Email:changqing.li1@uspto.gov
Location:VA 22314
Title:Pat Examnr Cheml Engrg
Service:8 years
Grade:GS-14

Grant Rate and Difficulty Ranking

95
3-Year Grant rate: 15% over 252 cases
Difficulty: Extremely Hard
Difficulty Percentile: 95th

With Examiner Li, you have a 15% chance of getting an issued patent by 3 years after the first office action. Examiner Li is an extremely hard examiner and in the 95th percentile across all examiners (with 100th percentile most difficult).

Grant Rate

Grant Rate Timeline

Below is the grant rate timeline for Examiner Li, 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 1791

Examiner Li's grant rate is lower than that of Art Unit 1791 and lower than that of the USPTO.

Average Office Actions Per Grant
Examiner Li 2.8
Art Unit 1791 2.4

Interview Benefit

Grant Rate without Interview

Examiner Li has granted 28 of 172 cases without any applicant-requested interviews for a grant rate of 16%.

Grant Rate with Interview

Examiner Li has granted 10 of 80 cases with at least one applicant-requested interview for a grant rate of 12%.

Interview Benefit

With Examiner Li, conducting an interview decreases your chance of getting a patent granted by 25%.

Recent Dispositions

Recent Dispositions

Number Title OA Rejections Status IFW
16768773 Creamers With Improved Texture/mouthfeel And Method Of Making Thereof Rejection information available with a Premium Stats subscription. See our pricing. Abandoned View
17842861 Peanut Milk Product With Superior Peanut Taste, Aroma And To Improve Gut Microbiota And Preparation Process And Use Thereof Abandoned View
17934344 Masking Agent Patented View
18076136 Barrier Coating Compositions, Wash Compositions, And Other Compositions For Perishables And Methods, Systems, Kits And Coated Items Relating Thereto Patented View
17072630 Compositions Useful For Dietary Supplements Patented View
17781608 Taste Modifying Compositions And Uses Thereof Abandoned View
18095345 Compositions And Methods For Phosphorylated Consumables Abandoned View
17434235 Novel Mogrosides And Uses Of The Same Patented View
18272925 Compositions Of Milk And Enzymes For Adult Nutrition Abandoned View
17694531 Cheese Analogue Compositions Abandoned View
18605890 Application Of Glutamine Derivative In Preparation Of Animal Feed Additive Patented View
16955315 Vertical Plug-Flow Process For Bio-Conversion Of Biomass Involving Enzymes Abandoned View
15991623 Manufacture Of Cheese Abandoned View
17253704 Process For Sanitizing And Preserving Foodstuffs And Beverages Abandoned View
18343501 Methods Of Binding Textured Substrates Using Mycelium-Producing Fungi And Food Products Formed Therefrom Abandoned View
17271172 A Process For Microbial Stabilization And Processing Of Brewers Spent Grain, Microbiologically Stabilized Brewers Spent Grain Powder And Use Thereof Abandoned View
18041868 Chocolate Making Units For Preparing Personalized Chocolate, And Methods Of Using Such Units Abandoned View
18020715 Process For Separating Components Of Skim Milk Abandoned View
17915760 Nut Milk For Foaming And Method For Producing Same Abandoned View
17298765 Adsorbates Patented View
17789672 Mushroom-Based Food Product Abandoned View
16610392 Pet Food And Method Of Forming Thereof Abandoned View
17457534 Method For Producing A Polysaccharide Patented View
17614986 Composition Comprising Lactococcus, Methods And Products Thereof Abandoned View
16968247 Confectionery Compositions Containing Stevia Leaves Abandoned View
16348879 Compositions And Methods Of Pet Food Abandoned View
17902489 Botanical Coffee Mixture Assembly Abandoned View
17586675 Methods Of Using Acid Whey Abandoned View
18094476 Meat Structured Protein Products And Method For The Manufacture Thereof Patented View
15628063 Apparatus For Plasma Treating And Process For Producing Modified Protein Structure Abandoned View
17508064 Non-Animal Based Protein Sources With Functional Properties Abandoned View
18650423 Deuterated Caffeine And Uses Thereof Abandoned View
18737077 Steviol Glysocide Solubility Enhancers Abandoned View
17641468 Improvements In Or Relating To Organic Compounds Patented View
17466272 Method For Co-Frying Vegetable And Tuber Substrates Abandoned View
17430762 High-Purity Steviol Glycosides Patented View
17963690 High Fiber, High Protein, Low Carbohydrate Flour, Sweetened Liquid, Sweeteners, Cereals, And Methods For Production Thereof Patented View
17465664 Analogue Cheese With Whey Protein Cream Abandoned View
17928321 Liquid Drink And Production Method Abandoned View
18456869 Methods And System For The Treatment Of Agricultural Products Abandoned View
18351097 Liquid Nutritional Compositions Containing Oxidizable Fish Oil, Rosmarinic Acid And Ferric Iron Abandoned View
18068798 Soluble Rapeseed Protein Isolate Patented View
17621526 Improved Cheese Ripening Patented View
18213953 Proflavor Delivery Particles Abandoned View
17913419 Method For Making Cheese From Ultra-Filtered Milk Patented View
17872085 Yogurt Composition Abandoned View
17289306 Soft Non-Dairy Cheese Composition And Process For Preparation Thereof Abandoned View
18506526 Antagonists Of T2r54 And Compositions And Uses Thereof Patented View
16484613 Dried Hydrogel Co-Gel Abandoned View
15934711 Methods Of Feeding Animals Feed Products Containing Direct-Fed Microbials Abandoned View

Appeals Statistics

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