Prosecution Insights
Last updated: October 02, 2026
Application No. 19/060,145

Cosmetic and Personal Care compositions

Non-Final OA §102§103§DOUBLEPATENT
Filed
Feb 21, 2025
Priority
Feb 21, 2024 — provisional 63/556,170
Examiner
SONG, JIANFENG
Art Unit
Tech Center
Assignee
BOLT THREADS, INC.
OA Round
1 (Non-Final)
56%
Grant Probability
Moderate
1-2
OA Rounds
1y 0m
Est. Remaining
90%
With Interview

Examiner Intelligence

Grants 56% of resolved cases
56%
Career Allowance Rate
488 granted / 867 resolved
-3.7% vs TC avg
Strong +33% interview lift
Without
With
+33.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 8m
Avg Prosecution
77 currently pending
Career history
934
Total Applications
across all art units

Statute-Specific Performance

§101
1.0%
-39.0% vs TC avg
§103
48.3%
+8.3% vs TC avg
§102
10.1%
-29.9% vs TC avg
§112
17.6%
-22.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 867 resolved cases

Office Action

§102 §103 §DOUBLEPATENT
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 . Claims 1-2 are pending and under examination. Priority Acknowledge is made for priority claiming from US provisional application 63/556,170, filed on 02/21/2024. Information Disclosure Statement The information disclosure statement (IDS) submitted on 05/30/2025 is being considered by the examiner. 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. (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. Claim(s) 1-2 are rejected under 35 U.S.C. 102(a)(1) & (a)(2) as being anticipated by Lee et al. (US20220040261). The limitation of claims 1-2 are met Lee et al. by disclosing a cosmetic composition in the form of gel comprising recombinant silk protein and water ([0061], claims 8-10), and recombinant silk protein is in the form of gel since the composition is a gel. Any carrier in the cosmetic such as water is regarded as cosmetic base, and the limitation of “improved pigmentation” is considered as inherency of prior art composition. Since prior art teaches the same composition, this same composition must have the same property such as improved pigmentation. MPEP 2112, "[T]he discovery of a previously unappreciated property of a prior art composition, or of a scientific explanation for the prior art’s functioning, does not render the old composition patentably new to the discoverer." Atlas Powder Co. v. IRECO Inc., 190 F.3d 1342, 1347, 51 USPQ2d 1943, 1947 (Fed. Cir. 1999). Thus the claiming of a new use, new function or unknown property which is inherently present in the prior art does not necessarily make the claim patentable. In re Best, 562 F.2d 1252, 1254, 195 USPQ 430, 433 (CCPA 1977). There is no requirement that a person of ordinary skill in the art would have recognized the inherent disclosure at the relevant time, but only that the subject matter is in fact inherent in the prior art reference. Schering Corp. v. Geneva Pharm. Inc., 339 F.3d 1373, 1377, 67 USPQ2d 1664, 1668 (Fed. Cir. 2003). In arguendo that claim 2 is interpreted as recombinant silk protein is added as gel form, this is considered as product by process. With respect to the USC 102 rejection above, please note that in product-by-process claims, “once a product appearing to be substantially identical is found and a 35 U.S.C. 102/103 rejection [is] made, the burden shifts to the applicant to show an unobvious difference.” MPEP 2113. This rejection under 35 U.S.C. 102/103 is proper because the “patentability of a product does not depend on its method of production.” In re Thorpe, 227 USPQ 964, 966 (Fed. Cir. 1985). As a practical matter, the Patent Office is not equipped to manufacture products by the myriad of processes put before it and then obtain prior art products and make physical comparisons therewith.” In re Brown, 459 F.2d 531, 535, 173 USPQ 685, 688 (CCPA 1972). Please note that the Patent and Trademark Office is not equipped to conduct experimentation in order to determine whether Applicants’ hydrated (vitrified matrix) collagen gel differs and, if so, to what extent, from that of the discussed reference. Therefore, with the showing of the reference, the burden of establishing non-obviousness by objective evidence is shifted to the Applicants. 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 of this title, 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 are rejected under 35 U.S.C. 103 as being unpatentable over Romer et al. (US20200270316). Determination of the scope and content of the prior art (MPEP 2141.01) Romer et al. teaches a cosmetic composition comprising recombinant silk protein (abstract; claims 1, 9-10 and 45) in the form of aqueous gel or hydrogel (claim 7; [0046]). Ascertainment of the difference between the prior art and the claims (MPEP 2141.02) The difference between the instant application and Romer et al. is that Romer et al. is not specific enough for anticipation. Finding of prima facie obviousness Rational and Motivation (MPEP 2142-2143) It would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to produce the instant invention. Regarding claims 1-2, Romer et al. teaches a cosmetic composition comprising recombinant silk protein in the form of aqueous gel or hydrogel, and recombinant silk protein is in the form of gel since the composition is a gel. Any carrier in the cosmetic such as water is regarded as cosmetic base, and the limitation of “improved pigmentation” is considered as inherency of prior art composition. Since prior art teaches the same composition, this same composition must have the same property such as improved pigmentation. MPEP 2112, "[T]he discovery of a previously unappreciated property of a prior art composition, or of a scientific explanation for the prior art’s functioning, does not render the old composition patentably new to the discoverer." Atlas Powder Co. v. IRECO Inc., 190 F.3d 1342, 1347, 51 USPQ2d 1943, 1947 (Fed. Cir. 1999). Thus. the claiming of a new use, new function or unknown property which is inherently present in the prior art does not necessarily make the claim patentable. In re Best, 562 F.2d 1252, 1254, 195 USPQ 430, 433 (CCPA 1977). There is no requirement that a person of ordinary skill in the art would have recognized the inherent disclosure at the relevant time, but only that the subject matter is in fact inherent in the prior art reference. Schering Corp. v. Geneva Pharm. Inc., 339 F.3d 1373, 1377, 67 USPQ2d 1664, 1668 (Fed. Cir. 2003). In arguendo that claim 2 is interpreted as recombinant silk protein is added as gel form, this is considered as product by process. With respect to the USC 103 rejection above, please note that in product-by-process claims, “once a product appearing to be substantially identical is found and a 35 U.S.C. 102/103 rejection [is] made, the burden shifts to the applicant to show an unobvious difference.” MPEP 2113. This rejection under 35 U.S.C. 102/103 is proper because the “patentability of a product does not depend on its method of production.” In re Thorpe, 227 USPQ 964, 966 (Fed. Cir. 1985). As a practical matter, the Patent Office is not equipped to manufacture products by the myriad of processes put before it and then obtain prior art products and make physical comparisons therewith.” In re Brown, 459 F.2d 531, 535, 173 USPQ 685, 688 (CCPA 1972). Please note that the Patent and Trademark Office is not equipped to conduct experimentation in order to determine whether Applicants’ hydrated (vitrified matrix) collagen gel differs and, if so, to what extent, from that of the discussed reference. Therefore, with the showing of the reference, the burden of establishing non-obviousness by objective evidence is shifted to the Applicants. In light of the forgoing discussion, the Examiner concludes that the subject matter defined by the instant claims would have been obvious within the meaning of 35 USC 103. From the teachings of the references, it is apparent that one of ordinary skill in the art would have had a reasonable expectation of success in producing the claimed invention. Therefore, the invention as a whole was prima facie obvious to one of ordinary skill in the art before the effective filing date of the claimed invention, as evidenced by the references, especially in the absence of evidence to the contrary. 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 conflicting claims 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); 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 nonstatutory double patenting provided the reference application or patent either is shown to be commonly owned with the examined application, or claims an invention made as a result of activities undertaken within the scope of a joint research agreement. See MPEP § 717.02 for applications subject to examination under the first inventor to file provisions of the AIA as explained in MPEP § 2159. See MPEP § 2146 et seq. for applications not subject to examination under the first inventor to file provisions of the AIA . A terminal disclaimer must be signed in compliance with 37 CFR 1.321(b). The filing of a terminal disclaimer by itself is not a complete reply to a nonstatutory double patenting (NSDP) rejection. A complete reply requires that the terminal disclaimer be accompanied by a reply requesting reconsideration of the prior Office action. Even where the NSDP rejection is provisional the reply must be complete. See MPEP § 804, subsection I.B.1. For a reply to a non-final Office action, see 37 CFR 1.111(a). For a reply to final Office action, see 37 CFR 1.113(c). A request for reconsideration while not provided for in 37 CFR 1.113(c) may be filed after final for consideration. See MPEP §§ 706.07(e) and 714.13. The USPTO Internet website contains terminal disclaimer forms which may be used. Please visit www.uspto.gov/patent/patents-forms. The actual filing date of the application in which the form is filed determines what form (e.g., PTO/SB/25, PTO/SB/26, PTO/AIA /25, or PTO/AIA /26) 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 www.uspto.gov/patents/apply/applying-online/eterminal-disclaimer. Claims 1-2 are provisionally rejected on the ground of nonstatutory double patenting as being unpatentable over claims 37 of copending Application No. 17626258 (reference application). Although the claims at issue are not identical, they are not patentably distinct from each other because the reference application teaches a cosmetic composition comprising recombinant silk protein, and the recombinant silk protein is added as gel form is considered as product by process, not limiting. The limitation of “improved pigmentation” is considered as inherency of prior art composition. Since prior art teaches the same composition, this same composition must have the same property such as improved pigmentation. This is a provisional nonstatutory double patenting rejection because the patentably indistinct claims have not in fact been patented. Claims 1-2 are provisionally rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1 and 14 of copending Application No. 18017216 (reference application). Although the claims at issue are not identical, they are not patentably distinct from each other because the reference application teaches a cosmetic composition comprising recombinant silk protein (recombinant silk polypeptide), and the recombinant silk protein is added as gel form is considered as product by process, not limiting. The limitation of “improved pigmentation” is considered as inherency of prior art composition. Since prior art teaches the same composition, this same composition must have the same property such as improved pigmentation. This is a provisional nonstatutory double patenting rejection because the patentably indistinct claims have not in fact been patented. Claims 1-2 are provisionally rejected on the ground of nonstatutory double patenting as being unpatentable over claims 38 of copending Application No. 17626258 (reference application). Although the claims at issue are not identical, they are not patentably distinct from each other because the reference application teaches a cosmetic composition comprising recombinant (spider) silk protein and plasticizer, and the recombinant silk protein is added as gel form is considered as product by process, not limiting. The limitation of “improved pigmentation” is considered as inherency of prior art composition. Since prior art teaches the same composition, this same composition must have the same property such as improved pigmentation. This is a provisional nonstatutory double patenting rejection because the patentably indistinct claims have not in fact been patented. Claims 1-2 are provisionally rejected on the ground of nonstatutory double patenting as being unpatentable over claim 1 of copending Application No. 18706281 (reference application). Although the claims at issue are not identical, they are not patentably distinct from each other because the reference application teaches a cosmetic composition comprising recombinant silk protein (recombinant silk polypeptide), and the recombinant silk protein is added as gel form is considered as product by process, not limiting. The limitation of “improved pigmentation” is considered as inherency of prior art composition. Since prior art teaches the same composition, this same composition must have the same property such as improved pigmentation. This is a provisional nonstatutory double patenting rejection because the patentably indistinct claims have not in fact been patented. Conclusion No claim is allowed. Any inquiry concerning this communication or earlier communications from the examiner should be directed to JIANFENG SONG. Ph.D. whose telephone number is (571)270-1978. The examiner can normally be reached M-F 8-5. 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, Brian-Yong Kwon can be reached at (571)272-0581. 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. /JIANFENG SONG/Primary Examiner, Art Unit 1613
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Prosecution Timeline

Feb 21, 2025
Application Filed
Aug 21, 2026
Non-Final Rejection mailed — §102, §103, §DOUBLEPATENT (current)

Precedent Cases

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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
56%
Grant Probability
90%
With Interview (+33.2%)
2y 8m (~1y 0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 867 resolved cases by this examiner. Grant probability derived from career allowance rate.

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