Prosecution Insights
Last updated: July 17, 2026
Application No. 18/020,875

DIAGNOSTIC METHODS AND COMPOSITIONS

Non-Final OA §102§103§112
Filed
Feb 10, 2023
Priority
Dec 02, 2020 — provisional 63/120,704 +1 more
Examiner
KANE, TREVOR LOGAN
Art Unit
1657
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
The Regents of the University of California
OA Round
1 (Non-Final)
70%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 70% — above average
70%
Career Allowance Rate
73 granted / 104 resolved
+10.2% vs TC avg
Strong +49% interview lift
Without
With
+49.3%
Interview Lift
resolved cases with interview
Typical timeline
3y 4m
Avg Prosecution
36 currently pending
Career history
135
Total Applications
across all art units

Statute-Specific Performance

§101
1.2%
-38.8% vs TC avg
§103
67.3%
+27.3% vs TC avg
§102
14.3%
-25.7% vs TC avg
§112
6.1%
-33.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 104 resolved cases

Office Action

§102 §103 §112
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Election/Restrictions Applicant’s election without traverse of Group III, claims 24-29 in the reply filed on 3/10/26 is acknowledged. Claims 1-23, 32 and 36-40 are withdrawn from further consideration pursuant to 37 CFR 1.142(b) as being drawn to a nonelected inventions there being no allowable generic or linking claim. Election was made without traverse in the reply filed on 3/10/26. Priority Receipt is acknowledged of certified copies of papers required by 37 CFR 1.55. Information Disclosure Statement The IDS filed on 2/10/23 and 12/4/24 have been fully considered except where references have been lined through. Claim Rejections - 35 USC § 112 The following is a quotation of the first paragraph of 35 U.S.C. 112(a): (a) IN GENERAL.—The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the best mode contemplated by the inventor or joint inventor of carrying out the invention. The following is a quotation of the first paragraph of pre-AIA 35 U.S.C. 112: The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the best mode contemplated by the inventor of carrying out his invention. Claims 24-30, and 33-35 are rejected under 35 U.S.C. 112(a) or 35 U.S.C. 112 (pre-AIA ), first paragraph, as failing to comply with the written description requirement. The claim(s) contains subject matter which was not described in the specification in such a way as to reasonably convey to one skilled in the relevant art that the inventor or a joint inventor, or for applications subject to pre-AIA 35 U.S.C. 112, the inventor(s), at the time the application was filed, had possession of the claimed invention. Claim 24 requires a generic target and responsive protein. One of ordinary skill in the arts understands that there is nearly an unlimited number of proteins and modified proteins that exist naturally or could be manufactured in a lab that could serve as targets and responsive proteins. Likewise, the target could be essentially an unlimited number of proteins, molecules, pH shifts, or heat shifts that would lead to a conformational change in a protein. Thus, the claims recite a large and varied genus of potential targets/responsive proteins. To show possession of a claimed genus, the specification must provide sufficient distinguishing identifying characteristics of the genus (MPEP 2163). The written description requirement for a claimed genus may be satisfied through sufficient description of a representative number of species sufficient to show the applicant was in possession of the claimed genus (Id.). A “representative number of species” means that the species which are adequately described are representative of the entire genus (Id.). Instant specification describes only SARS-Voc-2 and ACE2, and thus fails to describe representative species showing possession of the claimed genus. Moreover, there is no structure-function relationship provided in the specification that would allow one of ordinary skill in the art to identify additional target and responsive protein pairs. Therefore, applicants are not in possession of the entire claimed genus. The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claim 26 and 33-34 are rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Regarding claim 26, the claim requires “shape and or a size that resemble a host cell”. This is a term of degree and it is unclear what degree of similarity is sufficient or how one of ordinary skill in the arts would determine whether a particular size/shape meets the claim limitation. Moreover, it is unclear how the limitations found in claims 33-34 limit the shape of the assembly/proteins - e.g., it is unclear what type of structure would be implied by the shape being "based on surface proteins" in claim 33, and it is unclear what the "the shape of the responsive proteins contain a plurality of copies of a binding site" requires in claim 34 (e.g., are multiple copies of a binding site sufficient, or does the claim require some corresponding "shape"). Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(2) the claimed invention was described in a patent issued under section 151, or in an application for patent published or deemed published under section 122(b), in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention. Claims 24, 26-27, 29-30, 33 and 34 are rejected under 35 U.S.C. 102(a)(2) as being anticipated by Oh (US20220034884A1). While Oh was published after the filing dare of instant application, Oh claims priority to 8/3/20 and therefore is valid prior art under 35 USC 102(a)(2). Regarding claims 24, and 29-31, Oh teaches labeled quantum dots for detection of SARS-COV-2 (abstract). Oh teaches the dots can comprise ACE2 (protein sensors bound to substrate) ([0030]). Oh teaches that upon binding of an antigen to ACE2, the protein undergoes an energy shift allowing detection of the virus (responsive protein) (abstract). Oh teaches ACE2 is a host cell receptor (host cell decoy) ([0004]). Oh teaches the quantum dots can have fluorescent properties ([0029]). Oh teaches ACE2 is added to the particles at targeted ratios (desired density/substrate). Oh teaches their composition is useful in identifying therapeutics ([0003]). Regarding claim 26 and 33, the limitation of “shape and/or size that resemble a host cell” can be construed so broadly as to be similar in any aspect to any hypothetical host cell, and the spherical QD of Oh would meet this limitation. Regarding claim 27, Oh teaches oligomers of proteins can be used (fig 8a). Regarding claim 34, Oh teaches the dots contain multiple copies of the proteins that comprise multiple binding sites (fig 1) Claim Rejections - 35 USC § 103 The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. Claim 25, 28 and 35 are rejected under 35 U.S.C. 103 as being unpatentable over Oh (US20220034884A1), as applied to claims 24, 26-27, 29-30, 33 and 34 above, and further in view of Wang, (Chapter Fourteen - Single-Molecule Fluorescence Studies of Fast Protein Folding, Editor(s): Maria Spies, Yann R. Chemla, Methods in Enzymology,Academic Press, Volume 581,2016,Pages 417-459) Regarding claim 25, Oh teaches that the protein can comprise a donor acceptor pair ([0032]). Oh teaches the biosensors can be FRET ([0029]). Oh does not specifically teach a downhill folding protein or the conformational change. Wang studies downhill folding FRET proteins (6. A CASE EXAMPLE: ONE-STATE DOWNHILL FOLDING). Wang teaches these proteins can be coupled to donors and acceptors and respond to targets of denaturing chemicals (conformational change) (fig 11). Wang teaches that these FRET proteins can provide highly sought after microsecond resolution (7. CONCLUSION). It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to incorporate a downhill folding protein of Wang in the composition of Oh. One of ordinary skill in the art would be motivated to do so because Wang teaches these proteins provide very fast resolution. Further, one of ordinary skill in the art would be motivated to do so because these downhill fluorescent proteins have been successfully used to provide rapid response to targets, and one skilled in the art could have combined the elements as claimed by known methods with no change in their respective functions, and the combination yielded nothing more than predictable results to one of ordinary skill in the art. There would be a reasonable expectation of success as Oh, and Wang are in the same field of endeavor of fluorescence. Regarding claim 28, Wang teaches that the protein is folded before contacting denaturing chemicals and unfolds upon contacting the target denaturing chemical. Regarding claim 35, Wang teaches that fluorescence can shift depending on whether the protein is bound to the target or not (fig 11). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to TREVOR L KANE whose telephone number is (571)272-0265. The examiner can normally be reached M-F 7:00 am-4:00pm. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Louise Humphrey can be reached at 571-272-5543. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /TREVOR KANE/Examiner, Art Unit 1657 /ROBERT J YAMASAKI/Primary Examiner, Art Unit 1657
Read full office action

Prosecution Timeline

Feb 10, 2023
Application Filed
Jun 17, 2026
Non-Final Rejection mailed — §102, §103, §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12674146
MODIFIED URICASE AND USES THEREOF
3y 2m to grant Granted Jul 07, 2026
Patent 12668831
NOVEL DIAGNOSTIC MARKER FOR PANCREATIC CANCER
4y 6m to grant Granted Jun 30, 2026
Patent 12624333
STABLE INOCULANT COMPOSITIONS AND METHODS FOR PRODUCING SAME
6y 10m to grant Granted May 12, 2026
Patent 12616742
Recombinant Heme Oxygenase-1 (HO-1) for the Treatment of Sickle Cell Disease
4y 4m to grant Granted May 05, 2026
Patent 12612592
METHOD FOR ENRICHING A BIOMASS WITH PROTEINS
5y 1m to grant Granted Apr 28, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.
Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

1-2
Expected OA Rounds
70%
Grant Probability
99%
With Interview (+49.3%)
3y 4m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 104 resolved cases by this examiner. Grant probability derived from career allowance rate.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month