Prosecution Insights
Last updated: September 26, 2026
Application No. 18/741,853

Mix of specific Bifidobacterium species and specific non-digestible oligosaccharides

Non-Final OA §103§112
Filed
Jun 13, 2024
Priority
Dec 22, 2021 — EU 21217064.1 +1 more
Examiner
YOO, HONG THI
Art Unit
1792
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Nutricia
OA Round
1 (Non-Final)
46%
Grant Probability
Moderate
1-2
OA Rounds
1y 2m
Est. Remaining
72%
With Interview

Examiner Intelligence

Grants 46% of resolved cases
46%
Career Allowance Rate
344 granted / 753 resolved
-19.3% vs TC avg
Strong +26% interview lift
Without
With
+26.1%
Interview Lift
resolved cases with interview
Typical timeline
3y 5m
Avg Prosecution
45 currently pending
Career history
796
Total Applications
across all art units

Statute-Specific Performance

§101
2.1%
-37.9% vs TC avg
§103
48.5%
+8.5% vs TC avg
§102
15.2%
-24.8% vs TC avg
§112
28.5%
-11.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 753 resolved cases

Office Action

§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, claim 20-32 in the reply filed on July 13, 2026 is acknowledged. Claim 33-35 are withdrawn from further consideration pursuant to 37 CFR 1.142(b) as being drawn to a nonelected Group II, there being no allowable generic or linking claim. Election was made without traverse in the reply filed on July 13, 2026. Information Disclosure Statement The information disclosure statement (IDS) submitted on June 13, 2024 and July 22, 2026 are in compliance with the provisions of 37 CFR 1.97. Accordingly, the information disclosure statement is being considered by the examiner. Claim Rejections - 35 USC § 112 Claim 20-32 are rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Claim 20 recites the phrase “…able to express at least one extracellular enzyme selected from a fucosidase, and a sialidase…” in line 3-4, is confusing. It is not clear if the least one extracellular enzyme selected from a fucosidase, and a sialidase, is a component within the claimed nutritional composition. For examination purposes the limitation is considered a functional limitation of the Bifidobacterium bifidum strain’s ability to express with at least one extracellular enzyme selected from a fucosidase, and a sialidase; wherein the least one extracellular enzyme s is not required component in the claimed nutritional composition. Claim 21-32 are also rejected since the claims are depended upon rejected claim 20. Claim 20 recites the phrase “…able to metabolize a saccharide selected from L-fucose and sialic acid…” in line 3-4, is confusing. It is not clear if the saccharide selected from L-fucose and sialic acid, is a component within the claimed nutritional composition. For examination purposes the limitation is considered a functional limitation of the Bifidobacterium breve strain’s ability to able to metabolize saccharide selected from L-fucose and sialic acid; wherein the saccharide selected from L-fucose and sialic acid is not required component in the claimed nutritional composition. Claim 24 recites the phrase “…able to express extracellular beta 1,4 endogalactanase…”, is confusing. It is not clear if extracellular beta 1,4 endogalactanase, is a component within the claimed nutritional composition. For examination purposes the limitation is considered a functional limitation of the Bifidobacterium breve strain’s ability to express extracellular beta 1,4 endogalactanase; wherein the beta 1,4 endogalactanase is not required component in the claimed nutritional composition. Regarding claim 32, the phrase "preferably" renders the claim indefinite because it is unclear whether the limitations following the phrase are part of the claimed invention. See MPEP § 2173.05(d). 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. Claim(s) 20-32 are rejected under 35 U.S.C. 103 as being unpatentable over Schmitt et al. (US 2011/0150851) and in view of Buck et al. (US 11,337,990 B2). Regarding claim 20, 21, 22, 23, 24, 25 and 27, Schmitt et al. (Schmitt) discloses a composition, infant formula (nutritional composition) (‘851, [0053]) comprising at least four different at least four different Bifidobacterium species, which includes B. breve CNCM 1-2219 and B. bifidum (‘851, [0029)]. Schmitt’s B. breve CNCM 1-2219 is expect to have functional property of able to metabolize a saccharide, L-fucose as disclosed as much as Applicant’s B. breve C50 also known as CNCM 1-2219 (instant application published [0034]-[0035]). Additionally, Schmitt’s B. bifidum (‘851, [0029) encompasses the functional limitation of the Bifidobacterium bifidum strain’s ability to express with at least one extracellular enzyme selected from a fucosidase, and a sialidase as recited in claim 20. Schmitt discloses the composition comprising galacto-oligosaccharides and lacto-N-neotetraose, fucosyl-lactose, fucosylated LNT refers to lacto-N-tetraose (LNT) (human milk oligosaccharides) (‘851, [0044]). Schmitt’s galacto-oligosaccharides comprising beta 1,4-linkages with an average degree of polymerization of 3 to 6 (‘851, [0046]), which overlaps the cited range of claim 20 and 25. 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). With respect to claim 25, Schmitt discloses the galacto-oligosaccharides comprising beta 1,4-linkages as a non-digestible carbohydrates (‘851, [0044]) in a range of 80 mg to 3 g per 100 ml of the composition (‘851, [0051]), which overlaps the cited range of claim 25. With respect 2’fucosyllactose as recited in claim 20 and 22, Schmitt does not explicitly disclose the fucosyl-lactose, fucosylated LNT (human milk oligosaccharides) (‘851, [0044]) includes 2’fucosyllactose. However, Buck et al. (Buck) discloses nutritional composition for infant comprising human milk oligosaccharides (‘990, col. 5, ln. 1-8; col. 6, ln. 39-59) including 2’fucosyllactose (‘990, col. 11, ln. 57-63) and probiotic strains, B. breve and B. bifidum (‘990, col. 18, ln. 58). Buck and Schmitt are of the same field of endeavor of nutritional composition for infant, comprising human milk oligosaccharides and probiotic strains, B. breve and B. bifidum. It would have been obvious to one of ordinary skill in the art to use Buck’s human milk oligosaccharides (‘990, col. 5, ln. 1-8; col. 6, ln. 39-59) including 2’fucosyllactose (‘990, col. 11, ln. 57-63) in Schmitt’s composition to provide a synergistic benefit in promoting growth of microbiota in gastrointestinal tract of infant as taught by Buck (‘990, col. 18, ln. 21-45). Modified Schmitt’s composition is not mammalian milk (‘990, col. 5, ln. 1-8; col. 6, ln. 39-59). With respect to claim 21 and 23, Buck’s human milk oligosaccharides (‘990, col. 5, ln. 1-8; col. 6, ln. 39-59) including 2’fucosyllactose (‘990, col. 11, ln. 57-63) in an amount of from 2.5 mg/ml to about 20 mg/ml (‘990, col. 2, ln. 47-54), which overlaps the cited range. With respect to claim 27, Schmitt’s B. bifidum (‘851, [0029]) does express beta 1,4 endogalactanase. Regarding claim 26, modified Schmitt discloses the composition comprising fructo-oligosaccharides (‘ also known as non-digestible polyfructose (‘851, [0050]). Regarding claim 28, Schmitt’s B. breve CNCM 1-2219 is expect to have functional property of does not express fucosidase and do not express sialidase, as much as Applicant’s B. breve C50 also known as CNCM 1-2219 (instant application published [0034]-[0035]). Regarding claim 29, modified Schmitt discloses the Bifidobacterium species, which includes B. infantis and B. longum (‘851, [0029]). Regarding claim 30, modified Schmitt discloses optional lactobacilli (‘851, claim 21), hence Schmitt meets the limitation of the composition does not comprise lactobacilli. Regarding claim 31, modified Schmitt discloses the Bifidobacterium species, which includes B. breve CNCM 1-2219 and B. bifidum (‘851, [0029]), in amount of more than 1x106 cfu (‘851, [0041]) on dry weight, which overlaps the cited range. Regarding claim 32, modified Schmitt discloses the composition, infant formula comprising protein, fat, carbohydrates (‘851, [0053]-[0056]), vitamins and minerals (‘851, [0083], [0088]). Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. James et al. discloses Bifidobacterium breve M‑16V and L‑Fucose Metabolism wherein Bifidobacterium breve M‑16V strain expresses enzymes such as L‑fucosidases and fucose‑1‑phosphate aldolase, which break down L‑fucose into metabolites that can be further processed for energy production (pg. 1, Abstract). Any inquiry concerning this communication or earlier communications from the examiner should be directed to HONG THI YOO whose telephone number is (571)270-7093. The examiner can normally be reached M-F, 7AM to 3PM. 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, ERIK KASHNIKOW can be reached at (571)270-3475. 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. /HONG T YOO/Primary Examiner, Art Unit 1792
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Prosecution Timeline

Jun 13, 2024
Application Filed
Aug 25, 2026
Non-Final Rejection mailed — §103, §112 (current)

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Prosecution Projections

1-2
Expected OA Rounds
46%
Grant Probability
72%
With Interview (+26.1%)
3y 5m (~1y 2m remaining)
Median Time to Grant
Low
PTA Risk
Based on 753 resolved cases by this examiner. Grant probability derived from career allowance rate.

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