Prosecution Insights
Last updated: July 17, 2026
Application No. 18/559,250

DEVICE AND METHOD FOR TISSUE STAINING QUALITY CONTROL

Non-Final OA §102§103§112
Filed
Nov 06, 2023
Priority
May 06, 2021 — GB 2106487.8 +1 more
Examiner
MCDONOUGH, JAMES E
Art Unit
1634
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Futamura Chemical UK Ltd.
OA Round
1 (Non-Final)
71%
Grant Probability
Favorable
1-2
OA Rounds
6m
Est. Remaining
83%
With Interview

Examiner Intelligence

Grants 71% — above average
71%
Career Allowance Rate
1027 granted / 1441 resolved
+11.3% vs TC avg
Moderate +11% lift
Without
With
+11.3%
Interview Lift
resolved cases with interview
Typical timeline
3y 2m
Avg Prosecution
39 currently pending
Career history
1480
Total Applications
across all art units

Statute-Specific Performance

§101
0.3%
-39.7% vs TC avg
§103
79.0%
+39.0% vs TC avg
§102
4.5%
-35.5% vs TC avg
§112
1.0%
-39.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1441 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 I, claims 1-13 in the reply filed on 5/27/2026 is acknowledged. Claim 14 is withdrawn from further consideration pursuant to 37 CFR 1.142(b) as being drawn to a nonelected invention, there being no allowable generic or linking claim. Election was made without traverse in the reply filed on 5/27/2026. Claim Rejections - 35 USC § 112 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. A broad range or limitation together with a narrow range or limitation that falls within the broad range or limitation (in the same claim) may be considered indefinite if the resulting claim does not clearly set forth the metes and bounds of the patent protection desired. See MPEP § 2173.05(c). In the present instance, claim 7 recites the broad recitation “between 10 and 50”, and the claim also recites “between 20 and 30” which is the narrower statement of the range/limitation. The claim(s) are considered indefinite because there is a question or doubt as to whether the feature introduced by such narrower language is (a) merely exemplary of the remainder of the claim, and therefore not required, or (b) a required feature of the claims. 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)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. Claims 1-2, 6 and 8-13 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Revie et al. (US 20160123850). Regarding claims 1-2 and 11-13 Revies discloses quality control films (i.e., which would have a surface) for histopathology staining that comprise cellulose with no plasticizers (abstract, paras 0001-0003, and claims 1 and 10). Regarding claims 6 and 9 Revie discloses that the cellulose film may be adhered to a slide using a glue (i.e., a coating that would be on at least one side) (para 0050). Regarding claims 8 and 10 The slide may be viewed as a protective sheet and a barrier coating, given the broadest reasonable interpretation. 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. The factual inquiries for establishing a background for determining obviousness under 35 U.S.C. 103 are summarized as follows: 1. Determining the scope and contents of the prior art. 2. Ascertaining the differences between the prior art and the claims at issue. 3. Resolving the level of ordinary skill in the pertinent art. 4. Considering objective evidence present in the application indicating obviousness or nonobviousness. Claims 3-5 and 7 are rejected under 35 U.S.C. 103 as being unpatentable over Revie et al. (US 20160123850), as applied to claims 1-2, 6 and 8-13 above. Regarding claims 3-5 Revie discloses that the substrate can be cellulose or gelatine (i.e., a protein) (claim 10), as such it would have been prima facie obvious to use both cellulose and gelatine in the substrate, because combining two or more materials disclosed by the prior art for the same purpose to form a third material that is to be used for the same purpose has been held to be a prima facie case of obviousness, see In re Kerkhoven, 205 U.S.P.Q. 1069. Regarding claim 7 Revie discloses that the film can be 5 to 30 microns thick (para 0049). As the reference range overlaps the claimed range the subject matter as a whole would have been obvious to one having ordinary skill in the art at the time the invention was made to have selected the overlapping portion of the range disclosed by the reference because overlapping ranges have been held to be a prima facie case of obviousness. In re Malagari, 182 U.S.P.Q. 549. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to JAMES E MCDONOUGH whose telephone number is (571)272-6398. The examiner can normally be reached Mon-Fri 10-10. 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, Jonathan Johnson can be reached at 5712721177. 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. JAMES E. MCDONOUGH Examiner Art Unit 1734 /JAMES E MCDONOUGH/Primary Examiner, Art Unit 1734
Read full office action

Prosecution Timeline

Nov 06, 2023
Application Filed
Jul 01, 2026
Non-Final Rejection mailed — §102, §103, §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

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ADHESION PROMOTER FOR COMPOSITES AND METHODS THEREOF
3y 0m to grant Granted Jun 16, 2026
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ADSORBENT PARTICLES, METHOD FOR PRODUCING ADSORBENT PARTICLES, BASE MATERIAL PARTICLES, FILLING COLUMN, AND METHOD FOR RECOVERING RARE EARTH ELEMENT
3y 1m to grant Granted Jun 02, 2026
Patent 12637587
SELF-DISINFECTING COATING FOR SURFACES
3y 5m to grant Granted May 26, 2026
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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
71%
Grant Probability
83%
With Interview (+11.3%)
3y 2m (~6m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1441 resolved cases by this examiner. Grant probability derived from career allowance rate.

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