Prosecution Insights
Last updated: August 06, 2026
Application No. 18/053,793

ANTIMICROBIAL GAS RELEASING AGENTS AND SYSTEMS AND METHODS FOR USING THE SAME

Non-Final OA §103
Filed
Nov 09, 2022
Priority
May 12, 2020 — provisional 63/023,449 +1 more
Examiner
OYER, ANDREW J
Art Unit
1767
Tech Center
1700 — Chemical & Materials Engineering
Assignee
CSP Technologies Inc.
OA Round
1 (Non-Final)
79%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
96%
With Interview

Examiner Intelligence

Grants 79% — above average
79%
Career Allowance Rate
480 granted / 605 resolved
+14.3% vs TC avg
Strong +16% interview lift
Without
With
+16.4%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
44 currently pending
Career history
633
Total Applications
across all art units

Statute-Specific Performance

§101
1.9%
-38.1% vs TC avg
§103
39.3%
-0.7% vs TC avg
§102
18.4%
-21.6% vs TC avg
§112
25.5%
-14.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 605 resolved cases

Office Action

§103
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 of Group I, the antimicrobial releasing agent, with Species 2 (polysulfonic acid) in the reply filed on 27 February 2026 is acknowledged. Because applicant did not distinctly and specifically point out the supposed errors in the restriction requirement, the election has been treated as an election without traverse (MPEP § 818.01(a)). Claim 1, 3, 7, 11-18, and 21-41 are withdrawn from further consideration pursuant to 37 CFR 1.142(b) as being drawn to a nonelected groups and species, there being no allowable generic or linking claim. Election was made without traverse in the reply filed on 27 February 2026. 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. Claims 2, 4, and 8-10 are rejected under 35 U.S.C. 103 as being unpatentable over Kross et al. (EP 0287074, hereinafter referred to a “Kross”). As to Claim 2: Kross teaches a disinfecting composition comprising two gels and the second gel comprises a metal chlorite and polysulfonic acid (Abstract). Kross further teaches that the gel can further include a water-soluble chloride which may facilitate the formation of chlorine dioxide (Pg. 9, Lines 3-6). Kross does not explicitly teach an example wherein the carrier material has a pH below 3.5. However, Kross teaches that when the two gels are combined the pH should be from 2.2 to about 7 (Pg. 9, Lines 47-57). At the time of filing, it would have been obvious to a person having ordinary skill in the art to use a pH of less than 3.5 because Kross teaches that this is an acceptable pH range for the composition to generate chlorine dioxide (Pg. 8, Lines 45-57). As to Claim 4: Kross renders obvious the antimicrobial releasing agent of claim 2 (supra). Kross does not explicitly teach an example wherein the carrier material has a pH of 1.4 to 3.1. However, Kross teaches that when the two gels are combined the pH should be from 2.2 to about 7 (Pg. 9, Lines 47-57). At the time of filing, it would have been obvious to a person having ordinary skill in the art to use a pH of 2.2-3.1 because Kross teaches that this is an acceptable pH range for the composition to generate chlorine dioxide (Pg. 8, Lines 45-57). As to Claims 8 and 9: Kross renders obvious the antimicrobial agent of claim 2 (supra). Kross further teaches that the metal chlorite are preferably sodium chlorite or potassium chlorite (Pg. 9, Lines 10-15). As to Claim 10: Kross renders obvious the antimicrobial agent of claim 2 (supra). Kross further teaches that an exemplary chloride compound for increasing the rate of chlorine dioxide gas is sodium chloride (Pg. 9, Lines 3-6; Pg 13, Lines 30-33). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to ANDREW J OYER whose telephone number is (571)270-0347. The examiner can normally be reached 9AM-6PM EST M-F. 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, Mark Eashoo can be reached at (571)272-1197. 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. /Andrew J. Oyer/Primary Examiner, Art Unit 1767
Read full office action

Prosecution Timeline

Nov 09, 2022
Application Filed
Jul 21, 2026
Non-Final Rejection mailed — §103 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12692653
APPROACH TO BIOMASS DELIGNIFICATION
2y 5m to grant Granted Jul 28, 2026
Patent 12676349
METHODS FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR MATERIAL AND POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY LITHIUM BATTERY, AND POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY LITHIUM BATTERY MANUFACTURED THEREBY
3y 10m to grant Granted Jul 07, 2026
Patent 12668680
FIXING BELT
3y 9m to grant Granted Jun 30, 2026
Patent 12662645
REFRIGERATION CYCLE APPARATUS, REFRIGERATING MACHINE OIL AND REFRIGERANT LEAKAGE PREVENTION AGENT
4y 0m to grant Granted Jun 23, 2026
Patent 12655279
Ethylene/Alpha-Olefin Copolymer and Method for Preparing the Same
5y 7m to grant Granted Jun 16, 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
79%
Grant Probability
96%
With Interview (+16.4%)
2y 7m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 605 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