USPTO Art Unit 1653 Prosecution Statistics

Art Unit Information

Art Unit: 1653
Group: 1650
Tech Center: 1600
Total Cases: 10,653
Last Active: June 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19253325YEAST STAGE TANK INCORPORATED FERMENTATION SYSTEM AND METHODJune 2025February 2026Allow811NoNo
19245319FOOD COMPOSITION FOR REDUCING ALCOHOLIC HANGUP CONTAINING PLANT EXTRACTJune 2025August 2025Allow200NoNo
19237449RAPID ISOLATION, CULTIVATION METHODS AND UTILITIES OF TRUFFLE FUNGIJune 2025December 2025Allow621YesNo
18831490PREBIOTIC AND PROBIOTIC FORMULATION CONTAINING ACID AND HEAT RESISTANT BACTERIAFebruary 2025March 2026Abandon1310NoNo
19003326COMPOSITIONS AND METHODS FOR THE TREATMENT OF SKIN DISEASES AND CONDITIONS INCLUDING ECZEMADecember 2024May 2025Allow401YesNo
18844070METHOD FOR CHARACTERIZING INTERACTION FORCE BETWEEN LIGNIN AND CELLULASESeptember 2024March 2025Allow610YesNo
18821389YEAST STAGE TANK INCORPORATED FERMENTATION SYSTEM AND METHODAugust 2024March 2025Allow610NoNo
18788758SYSTEMS AND METHODS FOR CELL CULTURINGJuly 2024March 2026Allow2010NoNo
18833176METHOD OF DETERMINING GLUCOSE CONCENTRATIONJuly 2024April 2025Allow901NoNo
18730185BACILLUS VELEZENSIS AND USE THEREOFJuly 2024March 2026Allow2021YesNo
18757539PREPARATION OF A PHOSPHOLIPID COMPOSITION/NANO LIQUID PRODUCT USEFUL IN TREATING BURNS AND INCREASING THE EFFECT OF SCAR HEALINGJune 2024October 2024Allow410NoNo
18750994COMPOSITIONS FOR INHIBITING ANAEROBIC MICROORGANISMSJune 2024November 2024Allow500YesNo
18734282HYBRID GEL COMPRISING PARTICULATE DECELLULARIZED TISSUEJune 2024July 2025Abandon1310NoNo
18667290DISSOLVABLE GEL-FORMING FILM FOR DELIVERY OF ACTIVE AGENTSMay 2024April 2025Allow1110NoNo
18651791METHOD FOR ASSESSMENT OF HEPATIC FUNCTION AND PORTAL BLOOD FLOWMay 2024July 2025Allow1500NoNo
18652317MALLEABLE CONTROLLED RELEASE LOCAL ANESTHETIC WITH HEMOSTATIC COMPOSITIONMay 2024June 2025Allow1310NoNo
18643778METHODS OF RECELLULARIZING A TISSUE OR ORGAN FOR IMPROVED TRANSPLANTABILITYApril 2024September 2025Allow1620NoNo
18636644METHOD OF PREPARING FERMENTED HERBAL EYE DROPSApril 2024July 2024Allow300NoNo
18634887PRODUCTS AND METHODS USING LUNASIN-ENRICHED SOY EXTRACT MIXTURES TO REDUCE FREE FATTY ACID LEVELS, INCREASE LEPTIN LEVELS AND INCREASE ADIPONECTIN LEVELS IN PLASMAApril 2024February 2025Allow1000NoNo
18632967CELLS WITH INCREASED IMMUNO-REGULATORY PROPERTIES AND METHODS FOR THEIR USE AND MANUFACTUREApril 2024September 2025Abandon1701NoNo
18628751OLIVE DERIVED CELL CULTURE AND METHODS FOR PREPARING AND USING THE SAMEApril 2024August 2025Allow1610NoNo
18621769RAPID ISOLATION, CULTIVATION METHODS AND UTILITIES OF TRUFFLE FUNGIMarch 2024May 2025Allow1331YesNo
18618941PROBIOTIC SUPPLEMENT FOR METABOLIC HEALTHMarch 2024October 2025Allow1811NoNo
18601669ENZYME COMPOSITIONS WITH REDUCED VIRAL AND MICROBIAL CONTAMINATIONMarch 2024September 2025Abandon1811NoNo
18443753METHOD OF PURIFYING A PROTEIN FROM FERMENTATION SOLIDS UNDER DESORBING CONDITIONSFebruary 2024November 2025Allow2121NoNo
18440126TARGETING CANCER CELLS AND TISSUE USING FILAMENTOUS PLANT VIRUS PARTICLESFebruary 2024June 2025Allow1620NoNo
18435911BIOACTIVE RENAL CELLS FOR THE TREATMENT OF CHRONIC KIDNEY DISEASEFebruary 2024February 2025Allow1310NoNo
18426809COMPOSITIONS, DEVICES AND METHODS FOR THE CONTROL IN VITRO OF CHEMICAL MICROAMBIENT IN CELL CULTURESJanuary 2024February 2026Abandon2520NoNo
18427221BACTERIOPHAGE THERAPYJanuary 2024July 2025Allow1810NoNo
18425174NOVEL SIALIDASES AND USES THEREOFJanuary 2024June 2025Abandon1611NoNo
18418822METHODS FOR TREATMENT OF MENOPAUSAL SYMPTOMSJanuary 2024April 2024Allow200YesNo
18418062METHODS FOR QUANTIFYING MIXED-LINKAGE BETA GLUCANJanuary 2024November 2025Allow2121YesNo
18415270METHOD OF TREATING OR REDUCING EFPJanuary 2024November 2025Abandon2220NoNo
18408667POSTBIOTIC PREPARATION FOR PELVIC FLOOR MUSCLE REHABILITATION AND PREPARATION METHOD AND APPLICATION THEREOFJanuary 2024December 2024Allow1110YesNo
18577824MUTANTS OF D-AMINO ACID TRANSAMINASE OBTAINED BASED ON SUPERCOMPUTING-ASSISTED TECHNOLOGY AND APPLICATION THEREOFJanuary 2024October 2024Allow912NoNo
18400485METHODS OF FORMING BIOCHEMICAL SCAFFOLDS FOR ENHANCING MENTAL FUNCTION AND ACUITYDecember 2023February 2025Allow1400YesNo
18394975NANOPORE-BASED ANALYSIS OF ANALYTESDecember 2023October 2024Allow1011NoNo
18394017TUNABLE NEURONAL NETWORK AND AN ARTIFICIAL EYEDecember 2023November 2025Abandon2221NoNo
18391226Tank mix adjuvant system for spore forming and nonspore forming bacteria for residue breakdownDecember 2023August 2025Abandon2031NoNo
18541671SYSTEMS FOR PRODUCTION OF PRODUCTS TO PROMOTE NITROGEN USE EFFICIENCY IN PLANTSDecember 2023March 2025Allow1511YesNo
18518528COMPOSITIONS AND METHODS OF IMPROVING THE SKIN MICROBIOMENovember 2023May 2025Abandon1710NoNo
18445613Probiotic Formulation for Intestinal DysbiosisNovember 2023April 2025Abandon1720YesNo
18512129LYOPHILIZED POLYMER SCAFFOLD COMPOSITIONS, PROCESSES FOR PREPARATION AND USE IN ANABOLIC WOUND REPAIRNovember 2023April 2025Abandon1710NoNo
18389115DETECTION OF MYCOBACTERIUM ON GROWTH MEDIANovember 2023February 2026Allow2710NoNo
18388300DEVICES FOR SIMULATING A FUNCTION OF A TISSUE AND METHODS OF USE AND MANUFACTURING THEREOFNovember 2023April 2025Abandon1710NoNo
18386699METHOD FOR PREPARING BONE GRAFT COMPOSITION AND BONE GRAFT COMPOSITIONNovember 2023September 2025Abandon2320NoNo
18501804DOSAGE FORMS OF TISSUE KALLIKREIN 1November 2023February 2025Allow1511NoNo
18386637PROCESSES FOR CO-PRODUCING XYLITOL WITH ETHANOL OR OTHER FERMENTATION PRODUCTSNovember 2023March 2025Abandon1720NoNo
18495757METHODS FOR PROMOTING INTESTINAL HEALTH AND FOR ENHANCING ANTIOXIDATION USING PREBIOTIC COMPOSITIONOctober 2023May 2024Allow700NoNo
18494126METHODS OF TREATMENT FOR FUNCTIONAL DECLINE IN HIPPOCAMPUS, FOR IMPROVING RECOGNITION MEMORY ACCURACY, AND FOR IMPROVING HIPPOCAMPAL NEURONAL FUNCTIONOctober 2023November 2025Abandon2520NoNo
18489816COCAINE ESTERASE MUTANT AND USE THEREOFOctober 2023October 2024Allow1221NoNo
18381072CLOSED-LOOP SYSTEM FOR GROWTH OF AQUATIC BIOMASS AND GASIFICATION THEREOFOctober 2023April 2025Abandon1801NoNo
18379644METHOD FOR INFECTING CELLS WITH VIRUSOctober 2023March 2025Allow1731NoNo
18480172TREATMENT OF MUCOPOLYSACCHARIDOSIS I WITH FULLY-HUMAN GLYCOSYLATED HUMAN ALPHA-L-IDURONIDASE (IDUA)October 2023December 2025Allow2630NoNo
18372842MICROTOME SECTIONABLE GEL SUPPORT STRUCTURE AND METHODSSeptember 2023December 2024Allow1410NoNo
18372656STRAINS OF LACTOBACILLUS DELBRUECKII WHICH INHIBIT PORPHYROMONAS GINGIVALISSeptember 2023June 2025Allow2121NoNo
18471658Bacillus Strains Improving Health and Performance of Production AnimalsSeptember 2023March 2025Allow1821YesNo
18469239TREATED DRIED BLOOD SAMPLE FOR DETECTION OF HEAVY METALS IN DRIED BLOODSeptember 2023July 2025Allow2221YesNo
18468626METHODS FOR ASSESSING CELL SURFACE GLYCOSYLATIONSeptember 2023January 2025Allow1602NoNo
18465214DIFFERENTIATION AND ENRICHMENT OF ISLET-LIKE CELLS FROM HUMAN PLURIPOTENT STEM CELLSSeptember 2023December 2025Abandon2720NoNo
18464101METHODS OF USING NATURAL AND ENGINEERED ORGANISMS TO PRODUCE SMALL MOLECULES FOR INDUSTRIAL APPLICATIONSeptember 2023June 2025Abandon2111NoNo
18463248ORGAN MIMIC DEVICE WITH MICROCHANNELS AND METHODS OF USE AND MANUFACTURING THEREOFSeptember 2023April 2025Abandon1930NoNo
18459983Methods for Treating a Health Condition with ProbioticsSeptember 2023August 2025Allow2320YesNo
18460217REPAIR AND/OR RECONSTRUCTION OF INVERTEBRAL DISCSSeptember 2023September 2025Allow2430NoNo
18451071A PHOSPHOLIPID COMPOSITION AND ITS USE IN THE NANO LIQUID PRODUCT CONTAINING CURCUMIN HAVE THE ABILITY TO TREATING BURNS AND INCREASING THE EFFECT OF SCAR HEALINGAugust 2023February 2025Abandon1830NoNo
18231156Screenable Liver Disease Models and MethodsAugust 2023May 2025Abandon2120YesNo
18229995BOTANICAL AND BACTERIAL EXTRACTS DISPLAYING RETINOL-LIKE ACTIVITYAugust 2023April 2025Allow2130YesNo
18362294DESIGNED BACTERIAL COMPOSITIONSJuly 2023November 2024Abandon1601NoNo
18358637METHOD AND SYSTEM FOR PRODUCTION OF ADENOSINE TRIPHOSPHATEJuly 2023January 2025Abandon1801NoNo
18356910RECOVERY PROCESSJuly 2023July 2025Abandon2421NoNo
18352485COMBINATION PRODUCT FOR PROPHYLAXIS AND TREATMENT OF IRRITABLE BOWEL SYNDROMEJuly 2023January 2024Allow630NoYes
18350557IMMUNOSTIMULATORY BACTERIA FOR THE TREATMENT OF CANCERJuly 2023December 2025Allow2931NoNo
18219731CULTURE METHOD FOR HIGH-CONCENTRATION HAEMATOCOCCUS PLUVIALISJuly 2023March 2025Abandon2020YesNo
18349695METHODS AND DEVICES FOR CELLULAR TRANSPLANTATIONJuly 2023August 2025Abandon2520NoNo
18217935NOVEL USE OF MPK38/MELK AS THERAPEUTIC AGENT FOR OBESITY OR METABOLIC DISEASES SPECIFIC TO MIDDLE-AGED MENJuly 2023January 2026Abandon3040YesNo
18217140COMPOSITION FOR TREATING IRRITABLE BOWEL SYNDROMEJune 2023December 2023Allow510NoNo
18345891B-CELL CULTIVATION METHODJune 2023February 2025Abandon2010NoNo
18346194ORGAN MIMIC DEVICE WITH MICROCHANNELS AND METHODS OF USE AND MANUFACTURING THEREOFJune 2023June 2025Abandon2321NoNo
18213687USING AUTOLOGOUS MESENCHYMAL STEM CELLS TO TREAT MULTIPLE SYSTEM ATROPHYJune 2023July 2024Allow1210NoNo
18209877BLOOD STORAGE CONTAINER CONTAINING AQUEOUS COMPOSITION FOR THE STORAGE OF RED BLOOD CELLSJune 2023August 2024Allow1410NoNo
18209148COMPOSITIONS AND METHODS FOR ACTIVATING NK CELLSJune 2023May 2025Abandon2310NoNo
18205980LOW OXYGEN CULTURE CONDITIONS FOR MAINTAINING RETINAL PROGENITOR CELL MULTIPOTENCYJune 2023October 2024Abandon1611NoNo
18324518IDENTIFYING STATUS OF MALE FERTILITY BY DETERMINING SPERM CAPACITATIONMay 2023May 2025Abandon2311NoNo
18323450METHOD OF SACCHARIFYING CELLULOSEMay 2023February 2026Abandon3330NoNo
18198732METHODS OF CELL CULTURE FOR ADOPTIVE CELL THERAPYMay 2023September 2025Abandon2821NoNo
18317314ENGINEERED MICROMAGMATICS FOR DEPLOYING MICROORGANISMSMay 2023February 2026Abandon3331NoNo
18196939METHODS AND ARTICLES OF MANUFACTURE FOR ANIMAL THERAPEUTICSMay 2023November 2024Allow1801NoNo
18316945COMPOSITIONS FOR THE TREATMENT OF NON-ARTICULAR CARTILAGE-ASSOCIATED BONE CONDITIONSMay 2023October 2024Abandon1721NoNo
18315774FEED CONTROL IN CONVERSION OF BIOMASS INTO HYDROCARBON FUELS AND CHEMICALSMay 2023March 2025Allow2321YesNo
18143361YEAST STAGE TANK INCORPORATED FERMENTATION SYSTEM AND METHODMay 2023April 2024Allow1211NoNo
18141821PAIRING PROBIOTICS AND PREBIOTICS, METHODS FOR GROWTH AND USE, SEPARATELY AND IN COMBINATIONMay 2023April 2024Allow1111YesNo
18141056METHODS OF TREATING JOINT DISEASE, DISORDERS, AND CONDITIONS WITH TISSUE INHIBITORS OF MATRIX METALLOPROTEINASEApril 2023June 2025Allow2530NoNo
18034460PROCESS AND COMPOSITION FOR PRODUCTION OF ORGANIC SUBMICROMETRIC PARTICLES FROM WHOLE BIOLOGICAL MATTERApril 2023December 2025Allow3210NoNo
18140320SYSTEMS AND METHODS FOR RETRIEVING CELLS FROM A CONTINUOUS CULTURE MICROFLUIDIC DEVICEApril 2023January 2026Abandon3301NoNo
18306483COMPOSITION AND METHODS FOR TREATMENT OR PROPHYLAXIS OF CORONAVIRUS AND CANCERSApril 2023March 2025Allow2220YesNo
17997222METHODS FOR QUANTIFICATION OF AMYLOID BETA PEPTIDES IN PLASMA BY MASS SPECTROMETRYApril 2023January 2026Allow3811NoNo
18138285PERFORATED TISSUE GRAFTApril 2023February 2025Allow2220YesNo
18137752DIETARY SUPPLEMENTApril 2023May 2025Allow2421NoNo
18033107IDENTIFICATION OF PROTHROMBOTIC CONDITIONSApril 2023January 2026Abandon3301NoNo
18136961Preservation of Cell-Free Nucleic Acids in Biological SamplesApril 2023May 2024Allow1310NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 1653.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
248
Examiner Affirmed
149
(60.1%)
Examiner Reversed
99
(39.9%)
Reversal Percentile
79.8%
Higher than average

What This Means

With a 39.9% reversal rate, the PTAB reverses the examiner's rejections in a meaningful percentage of cases. This reversal rate is in the top 25% across the USPTO, indicating that appeals are more successful here than in most other areas.

Strategic Value of Filing an Appeal

Total Appeal Filings
1001
Allowed After Appeal Filing
197
(19.7%)
Not Allowed After Appeal Filing
804
(80.3%)
Filing Benefit Percentile
6.1%
Lower than average

Understanding Appeal Filing Strategy

Filing a Notice of Appeal can sometimes lead to allowance even before the appeal is fully briefed or decided by the PTAB. This occurs when the examiner or their supervisor reconsiders the rejection during the mandatory appeal conference (MPEP § 1207.01) after the appeal is filed.

In this dataset, 19.7% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is in the bottom 25% across the USPTO, indicating that filing appeals is less effective here than in most other areas.

Strategic Recommendations

✓ Appeals to PTAB show good success rates. If you have a strong case on the merits, consider fully prosecuting the appeal to a Board decision.

⚠ Filing a Notice of Appeal shows limited benefit. Consider other strategies like interviews or amendments before appealing.

Art Unit 1653 - Prosecution Statistics Summary

Executive Summary

Art Unit 1653 is part of Group 1650 in Technology Center 1600. This art unit has examined 10,653 patent applications in our dataset, with an overall allowance rate of 51.1%. Applications typically reach final disposition in approximately 35 months.

Comparative Analysis

Art Unit 1653's allowance rate of 51.1% places it in the 8% percentile among all USPTO art units. This art unit has a significantly lower allowance rate than most art units at the USPTO.

Prosecution Patterns

Applications in Art Unit 1653 receive an average of 2.24 office actions before reaching final disposition (in the 76% percentile). The median prosecution time is 35 months (in the 29% percentile).

Strategic Considerations

When prosecuting applications in this art unit, consider the following:

  • The art unit's allowance rate suggests a more challenging examination environment compared to the USPTO average.
  • With more office actions than average, plan for multiple rounds of prosecution.
  • The median prosecution time is longer than average and should be factored into your continuation and client communication strategies.
  • Review individual examiner statistics within this art unit to identify examiners with particularly favorable or challenging prosecution patterns.

Important Disclaimer

Not Legal Advice: The information provided in this report is for informational purposes only and does not constitute legal advice. You should consult with a qualified patent attorney or agent for advice specific to your situation.

No Guarantees: We do not provide any guarantees as to the accuracy, completeness, or timeliness of the statistics presented above. Patent prosecution statistics are derived from publicly available USPTO data and are subject to data quality limitations, processing errors, and changes in USPTO practices over time.

Limitation of Liability: Under no circumstances will IronCrow AI be liable for any outcome, decision, or action resulting from your reliance on the statistics, analysis, or recommendations presented in this report. Past prosecution patterns do not guarantee future results.

Use at Your Own Risk: While we strive to provide accurate and useful prosecution statistics, you should independently verify any information that is material to your prosecution strategy and use your professional judgment in all patent prosecution matters.