Prosecution Insights
Last updated: October 04, 2026
Application No. 18/689,659

NONIONIC RESINS AND THEIR USES IN STAIN BLOCKING ARCHITECTURAL COMPOSITIONS

Non-Final OA §103§DP
Filed
Mar 06, 2024
Priority
Jul 11, 2022 — provisional 63/388,080 +1 more
Examiner
CAI, WENWEN
Art Unit
Tech Center
Assignee
Columbia Insurance Company
OA Round
1 (Non-Final)
60%
Grant Probability
Moderate
1-2
OA Rounds
7m
Est. Remaining
79%
With Interview

Examiner Intelligence

Grants 60% of resolved cases
60%
Career Allowance Rate
525 granted / 878 resolved
At TC average
Strong +19% interview lift
Without
With
+19.4%
Interview Lift
resolved cases with interview
Typical timeline
3y 2m
Avg Prosecution
53 currently pending
Career history
938
Total Applications
across all art units

Statute-Specific Performance

§101
1.1%
-38.9% vs TC avg
§103
45.1%
+5.1% vs TC avg
§102
17.2%
-22.8% vs TC avg
§112
28.6%
-11.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 878 resolved cases

Office Action

§103 §DP
DETAILED ACTION 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 REQUIREMENT FOR UNITY OF INVENTION As provided in 37 CFR 1.475(a), a national stage application shall relate to one invention only or to a group of inventions so linked as to form a single general inventive concept (“requirement of unity of invention”). Where a group of inventions is claimed in a national stage application, the requirement of unity of invention shall be fulfilled only when there is a technical relationship among those inventions involving one or more of the same or corresponding special technical features. The expression “special technical features” shall mean those technical features that define a contribution which each of the claimed inventions, considered as a whole, makes over the prior art. The determination whether a group of inventions is so linked as to form a single general inventive concept shall be made without regard to whether the inventions are claimed in separate claims or as alternatives within a single claim. See 37 CFR 1.475(e). WHEN CLAIMS ARE DIRECTED TO MULTIPLE CATEGORIES OF INVENTIONS As provided in 37 CFR 1.475(b), a national stage application containing claims to different categories of invention will be considered to have unity of invention if the claims are drawn only to one of the following combinations of categories: (1) A product and a process specially adapted for the manufacture of said product; or (2) A product and process of use of said product; or (3) A product, a process specially adapted for the manufacture of the said product, and a use of the said product; or (4) A process and an apparatus or means specifically designed for carrying out the said process; or (5) A product, a process specially adapted for the manufacture of the said product, and an apparatus or means specifically designed for carrying out the said process. Otherwise, unity of invention might not be present. See 37 CFR 1.475(c). Restriction is required under 35 U.S.C. 121 and 372. This application contains the following inventions or groups of inventions which are not so linked as to form a single general inventive concept under PCT Rule 13.1. In accordance with 37 CFR 1.499, applicant is required, in reply to this action, to elect a single invention to which the claims must be restricted. Group I, claim(s) 1-8, drawn to a latex composition. Group II, claim(s) 9-14, drawn to a paint composition. The groups of inventions listed above do not relate to a single general inventive concept under PCT Rule 13.1 because, under PCT Rule 13.2, they lack unity a priori as there is no subject matter common to all claims. This application contains claims directed to more than one species of the generic invention. These species are deemed to lack unity of invention because they are not so linked as to form a single general inventive concept under PCT Rule 13.1. The species of the latex composition are as follows: i) with an anionic surfactant, ii) only nonionic surfactant is used. Applicant is required, in reply to this action, to elect a single species to which the claims shall be restricted if no generic claim is finally held to be allowable. The reply must also identify the claims readable on the elected species, including any claims subsequently added. An argument that a claim is allowable or that all claims are generic is considered non-responsive unless accompanied by an election. This application contains claims directed to more than one species of the generic invention. These species are deemed to lack unity of invention because they are not so linked as to form a single general inventive concept under PCT Rule 13.1. The species of the latex composition are as follows: i) with acid monomer or other monomers with anionic groups, ii) without acid monomer or other monomers with anionic groups. Applicant is required, in reply to this action, to elect a single species to which the claims shall be restricted if no generic claim is finally held to be allowable. The reply must also identify the claims readable on the elected species, including any claims subsequently added. An argument that a claim is allowable or that all claims are generic is considered non-responsive unless accompanied by an election. Upon the allowance of a generic claim, applicant will be entitled to consideration of claims to additional species which are written in dependent form or otherwise require all the limitations of an allowed generic claim. Currently, the following claim(s) are generic: 1, 4-5, 7. During a telephone conversation with H.T. Than on 7/14/2026 a provisional election was made with traverse to prosecute the invention of Group I, claims 1-8 and species of a composition with an anionic surfactant and a species of a composition with acid monomer or other monomers with anionic groups. Affirmation of this election must be made by applicant in replying to this Office action. Claims 3, 8-14 are withdrawn from further consideration by the examiner, 37 CFR 1.142(b), as being drawn to a non-elected invention and species. Applicant is reminded that upon the cancellation of claims to a non-elected invention, the inventorship must be amended in compliance with 37 CFR 1.48(b) if one or more of the currently named inventors is no longer an inventor of at least one claim remaining in the application. Any amendment of inventorship must be accompanied by a request under 37 CFR 1.48(b) and by the fee required under 37 CFR 1.17(i). Specification The disclosure is objected to because of the following informalities: the reference to claims should be avoided in disclosure, because the claims may be changed during the prosecution of the case. 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 set forth in Graham v. John Deere Co., 383 U.S. 1, 148 USPQ 459 (1966), that are applied 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 1-2, 4-5, 7 is/are rejected under 35 U.S.C. 103 as being unpatentable over Van Yamana et al (US 6,130,298). Claims 1, 4-5, 7: Yamana teaches a latex composition formed by polymerizing a mixture of monomers and emulsifier (4:33-50). The monomers comprises nonionic acrylate monomers (I) and monomer (II) such as methoxypolyethylene glycol (meth)acrylate (7:1-15, abstract, 2:30-38). The mixture does not contain monomers with anionic groups which reads on less than 0.25wt% of acid monomers. The emulsifier can be a mixture of anionic and nonionic emulsifier (4:40-45, table 4 preparative example 1). Anionic emulsifier is ammonium polyoxyethylene alkyl phenyl ether sulfate (Hitenol N-17, anionic emulsifier). Nonionic emulsifiers are polyoxyethylene alkyl phenyl ether (Nonion HS-220, nonionic emulsifier), polyoxyethylene sorbitan monolaurate (Nonion LT-221, nonionic emulsifier). One exemplary content of nonionic emulsifier is 4.9wt% based on the composition without water (table 4, example 1). Nonion HS-220 has HLB of 16, Nonion LT-221 has HLB of 16.7. The content of monomer (II) is 4-60wt% based on the copolymer (3:8-12). The claimed content is based on the composition without water. In preparative example 1 of Yamana, when the monomer is 4wt% based on the polymer, it is 3wt% based on the composition without water. Detailed calculation is available upon request. Case law holds that in the case where the claimed ranges “overlap or lie inside ranges disclosed by the prior art” a prima facie case of obviousness exists. In re Wertheim, 541 F.2d 257, 191 USPQ 90 (CCPA 1976); In re Woodruff, 919 F.2d 1575, 16 USPQ2d 1934 (Fed. Cir. 1990). Claim 2: Yamana does not explicitly teach the content of the anionic surfactant like claimed. However, Yamana teaches various emulsifiers such as an anionic emulsifier, a cationic emulsifier and a nonionic emulsifier can be used in the amount within the range from 0.5 to 10 parts by weight based on 100 parts by weight of the monomers. The anionic and/or nonionic emulsifiers are preferably used (4:35-45). It is well settled that it is prima facie obvious to combine two ingredients, each of which is targeted by the prior art to be useful for the same purpose. In re Lindner 457 F,2d 506,509, 173 USPQ 356, 359 (CCPA 1972). Under Lindner, it is prima facie obvious to mix the ingredients in any ratio. Double Patenting The nonstatutory double patenting rejection is based on a judicially created doctrine grounded in public policy (a policy reflected in the statute) so as to prevent the unjustified or improper timewise extension of the “right to exclude” granted by a patent and to prevent possible harassment by multiple assignees. A nonstatutory double patenting rejection is appropriate where the claims at issue are not identical, but at least one examined application claim is not patentably distinct from the reference claim(s) because the examined application claim is either anticipated by, or would have been obvious over, the reference claim(s). See, e.g., In re Berg, 140 F.3d 1428, 46 USPQ2d 1226 (Fed. Cir. 1998); In re Goodman, 11 F.3d 1046, 29 USPQ2d 2010 (Fed. Cir. 1993); In re Longi, 759 F.2d 887, 225 USPQ 645 (Fed. Cir. 1985); In re Van Ornum, 686 F.2d 937, 214 USPQ 761 (CCPA 1982); In re Vogel, 422 F.2d 438, 164 USPQ 619 (CCPA 1970); and In re Thorington, 418 F.2d 528, 163 USPQ 644 (CCPA 1969). A timely filed terminal disclaimer in compliance with 37 CFR 1.321(c) or 1.321(d) may be used to overcome an actual or provisional rejection based on a nonstatutory double patenting ground provided the reference application or patent either is shown to be commonly owned with this application, or claims an invention made as a result of activities undertaken within the scope of a joint research agreement. A terminal disclaimer must be signed in compliance with 37 CFR 1.321(b). The USPTO internet Web site contains terminal disclaimer forms which may be used. Please visit http://www.uspto.gov/forms/. The filing date of the application will determine what form should be used. A web-based eTerminal Disclaimer may be filled out completely online using web-screens. An eTerminal Disclaimer that meets all requirements is auto-processed and approved immediately upon submission. For more information about eTerminal Disclaimers, refer to http://www.uspto.gov/patents/process/file/efs/guidance/eTD-info-I.jsp. Claims 1-5 provisionally rejected on the ground of nonstatutory double patenting as being unpatentable over claims 2-6 of copending Application No.18/689,601. Although the claims at issue are not identical, they are not patentably distinct from each other because ‘601 claims a nonionic latex resin polymerized from a (meth)acrylate monomer, a polymerizable nonionic hydrophilic component and a nonionic surfactant. This is a provisional nonstatutory double patenting rejection because the patentably indistinct claims have not in fact been patented. Claims 1-5, 7 provisionally rejected on the ground of nonstatutory double patenting as being unpatentable over claims 2-6, 8 of copending Application No.18/689,641. Although the claims at issue are not identical, they are not patentably distinct from each other because ‘641 claims a nonionic latex resin polymerized from a (meth)acrylate monomer, a polymerizable nonionic hydrophilic component and a nonionic surfactant. This is a provisional nonstatutory double patenting rejection because the patentably indistinct claims have not in fact been patented. Any inquiry concerning this communication or earlier communications from the examiner should be directed to WENWEN CAI whose telephone number is (571)270-3590. The examiner can normally be reached on M-F 9am-6pm. 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, Joseph Del Sole can be reached on (571)272-1130. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of an application may be obtained from the Patent Application Information Retrieval (PAIR) system. Status information for published applications may be obtained from either Private PAIR or Public PAIR. Status information for unpublished applications is available through Private PAIR only. For more information about the PAIR system, see http://pair-direct.uspto.gov. Should you have questions on access to the Private PAIR system, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative or access to the automated information system, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /WENWEN CAI/ Primary Examiner, Art Unit 1763
Read full office action

Prosecution Timeline

Mar 06, 2024
Application Filed
Sep 02, 2026
Non-Final Rejection mailed — §103, §DP (current)

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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
60%
Grant Probability
79%
With Interview (+19.4%)
3y 2m (~7m remaining)
Median Time to Grant
Low
PTA Risk
Based on 878 resolved cases by this examiner. Grant probability derived from career allowance rate.

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