Prosecution Insights
Last updated: May 29, 2026
Application No. 18/270,103

COATING COMPOSITION AND ITS USES

Non-Final OA §102§103
Filed
Jun 28, 2023
Priority
Dec 30, 2020 — CN PCT/CN2020/141214 +2 more
Examiner
UTECH, BENJAMIN L
Art Unit
1700
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Dow Silicones Corporation
OA Round
1 (Non-Final)
100%
Grant Probability
Favorable
1-2
OA Rounds
3m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 100% — above average
100%
Career Allowance Rate
15 granted / 15 resolved
+35.0% vs TC avg
Minimal +0% lift
Without
With
+0.0%
Interview Lift
resolved cases with interview
Typical timeline
3y 2m
Avg Prosecution
8 currently pending
Career history
48
Total Applications
across all art units

Statute-Specific Performance

§103
75.0%
+35.0% vs TC avg
§102
5.3%
-34.7% vs TC avg
§112
17.1%
-22.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 15 resolved cases

Office Action

§102 §103
DETAILED ACTION This office action is in regards to a 371 application filed June 28, 2023 claiming priority to PCT/CN2021/141886 filed December 28, 2021 and a continuing application and a foreign application of PCT/CN2020/141214 both filed December 30, 2020. Claims 1-10 and 14-15 have been elected with traverse. Claims 11-13 are withdrawn as non-elected. Claims 1-10 and 14-15 are pending and currently being examined. 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 with traverse of Group I, claims 1-10 and 14-15 in the reply filed on June 2, 2025 is acknowledged. The traversal is on the ground(s) that Nozoe et al. (US 2010/0190396 A1) is directed to airbag coatings and no focus on maintaining surface gloss for artificial leather as well as the reliance of Pd(PPh3)4 for establishing claimed component (v) which is a catalyst and more akin to component (iv) and only present in the amount of 1 to 50 ppm as opposed to the required 5 to 35 wt.%. This is found persuasive but new prior art of Chen et al. (WO 2020/233268 A1) in view of Chiou et al. (CN 101037558 A) is used for a 103 rejection. The requirement is still deemed proper and is therefore made FINAL. Claim Objections Claim 2 is objected to because of the following informalities: In line 8, the phrase “… SiO4/2 groups,” may be suggested to read “… SiO4/2 groups, or “. Appropriate correction is required. Claim 3 is objected to because of the following informalities: In line 5, the phrase “and or” may be suggested to read “and/or”. Appropriate correction is required. Claim 4 is objected to because of the following informalities: In line 6, the phrase “… and polyethylene terephthalate, …” may be suggested to read “… or polyethylene terephthalate, …”. Appropriate correction is required. Claim Rejections - 35 USC § 103 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. 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 1-10 and 14-15 are rejected under 35 U.S.C. 103 as being obvious over Chen et al. (WO 2020/233268 A1) in view of Chiou et al. (CN 101037558 A). The applied reference has a common assignee with the instant application. Based upon the earlier effectively filed date of the reference, it constitutes prior art under 35 U.S.C. 102(a)(2). Chen et al. disclose a leather coating composition comprising a hydrosilylation curable silicone elastomer composition comprising: component (i), one or more polydiorganosiloxane polymers having a viscosity of from 1000 to 500,000 mPa.s at 25°C and an alkenyl group and/or alkynyl group content of at least 5% by weight of the polymers per molecule; component (ii), a reinforcing filler such as finely divided silica optionally treated with one or more known filler treating agents; component (iii), a silicone resin cross-linker having terminal (M) groups comprising silicone bonded hydrogen, wherein the molar ratio of silicon-bonded hydrogen atoms to the total number of all unsaturated groups is from 0.5:1 to 20:1, preferably with Si-H being in excess; component (iv), a hydrosilylation catalyst; component (v), a cured silicone powder; and component (vi), an eco-diluent. Chen et al. do not disclose silicon-free organic microparticles having a number average particle size of 0.5 to 500 µm in the amount of from 5 to 35 wt.% in the leather coating composition. The technical problem to be solved by the instant claim is to reduce the variation in gloss due to wear of the leather coating. Chiou et al. disclose an aqueous matte coating composition [Abstract; Technical Field; Disclosure-p.1; Claims 1, 2, 10] comprising polymerized matting agent particles (A) and a binder component (B), wherein the polymeric matting agent (A) comprises particles of one or more polymers with an average diameter of 1 to 20 µm selected from multi-stage copolymers, single stage crosslinked (co)polymers having a Tg of -60°C to 75°C, and mixtures thereof and component (B) comprises one or more film-forming organic binders compatible with the matting agent component (A). Chiou et al. disclose the matting agent component (A) is preferably an acrylic polymer [Abstract] and as solids comprise from 2 to 45 wt.% based on the total weight of the aqueous composition in leather and paper applications [claim 10; Disclosure-p.9]. Chiou et al. disclose the leather had less gloss change before and after abrasion and better gloss consistency for the abrasion resistant film coating [Examples]. Chiou et al. demonstrate the addition of polymeric microparticles in the aqueous composition can obtain a coating with reduced gloss variation of the coating due to wear, therefore one of ordinary skill in the art would be motivated to combine the leather coating composition comprising a hydrosilylation curable silicone elastomer composition of Chen et al. with the aqueous matte coating composition of Chiou et al. to reduce the variation in gloss due to wear of the leather coating. This rejection under 35 U.S.C. 103 might be overcome by: (1) a showing under 37 CFR 1.130(a) that the subject matter disclosed in the reference was obtained directly or indirectly from the inventor or a joint inventor of this application and is thus not prior art in accordance with 35 U.S.C.102(b)(2)(A); (2) a showing under 37 CFR 1.130(b) of a prior public disclosure under 35 U.S.C. 102(b)(2)(B); or (3) a statement pursuant to 35 U.S.C. 102(b)(2)(C) establishing that, not later than the effective filing date of the claimed invention, the subject matter disclosed and the claimed invention were either owned by the same person or subject to an obligation of assignment to the same person or subject to a joint research agreement. See generally MPEP § 717.02. In regards to claim 2, Chen et al. disclose the leather coating composition, wherein component (iii) of the hydrosilylation curable silicone elastomer composition comprises one or more of the following: silicone resins comprising or consisting of Si-H containing M groups, (CH3)3SiO1/2 groups and SiO4p groups, silicone resins comprising or consisting of Si-H containing M groups and SiO4/2 groups, silicone resins comprising or consisting of Si-H containing M groups, (CH3)2SiO2/2 groups and SiO4/2 groups, or silicone resins comprising or consisting of Si-H containing M groups, SiO4 groups and (C6H5)3SiO1/2 groups, and alternatives in which methyl is replaced by phenyl groups or other alkyl groups or mixtures thereof and wherein each of the above may include one or more T groups [0030]. In regards to claims 3-4, Chiou et al. disclose acrylic microparticles [Abstract], therefore reading acrylic microparticles, methacrylic microparticles, polyacrylonitrile, and polymethyl methacrylate of the instant claims. In regards to claims 5-6, Chen et al. disclose the additives of one or more of the following additives: cure inhibitors, cured silicone elastomer powder, pot life extenders, lubricants, diluents, flame retardants, pigments, coloring agents, heat stabilizers, compression set improvement additives, anti- squeak agents and mixtures thereof [0042—0046, 0049, 0057-0060]. In regards to claim 7, Chiou et al. disclose the particle size of the microparticles comprise an average diameter of 1 to 20 µm [Abstract; Technical Field; Disclosure-p.1; Claim 1]. In regards to claims 8-9, Chen et al. disclose that the leather coating composition is used as a protective top coat [0083; Figure 4, layer 5]. In regards to claim 10, Chen et al. disclose the textile support layer (2) is made from polyester fiber, a viscose rayon fiber, a polyamide fiber, nylon, an acrylic fiber, a polyolefin fiber, cellulose fibers, and elastic textile materials [0076; Claim 9]. In regards to claim 14, Chen et al. disclose the leather coating composition is used in furniture, decoration, handbags, luggage, garments, footwear, car interiors, and medical beds/seats [0091]. In regards to claim 15, Chen et al. in view of Chiou et al. disclose a coating with reduced gloss variation of the leather coating due to wear. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to RONALD GRINSTED whose telephone number is (571)270-7634. The examiner can normally be reached M-F 8am-5pm. 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, Ling-Siu Choi can be reached at 571-272-1098. 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. /RONALD GRINSTED/Examiner, Art Unit 1763
Read full office action

Prosecution Timeline

Jun 28, 2023
Application Filed
Jul 10, 2025
Non-Final Rejection mailed — §102, §103
Oct 10, 2025
Response Filed

Precedent Cases

Applications granted by this same examiner with similar technology

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DECORATIVE COMPOSITION AND UTILIZATION THEREOF
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3y 3m to grant Granted May 19, 2026
Patent 12617710
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Study what changed to get past this examiner. Based on 3 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
100%
Grant Probability
99%
With Interview (+0.0%)
3y 2m (~3m remaining)
Median Time to Grant
Low
PTA Risk
Based on 15 resolved cases by this examiner. Grant probability derived from career allowance rate.

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