Prosecution Insights
Last updated: April 19, 2026
Application No. 16/929,386

NON-NICOTINE ELECTRONIC VAPING DEVICE INCLUDING A RESERVOIR ASSEMBLY

Non-Final OA §103
Filed
Jul 15, 2020
Examiner
SPARKS, RUSSELL E
Art Unit
1755
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Altria Client Services LLC
OA Round
7 (Non-Final)
63%
Grant Probability
Moderate
7-8
OA Rounds
3y 9m
To Grant
79%
With Interview

Examiner Intelligence

Grants 63% of resolved cases
63%
Career Allow Rate
240 granted / 380 resolved
-1.8% vs TC avg
Strong +16% interview lift
Without
With
+16.2%
Interview Lift
resolved cases with interview
Typical timeline
3y 9m
Avg Prosecution
73 currently pending
Career history
453
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
48.5%
+8.5% vs TC avg
§102
13.5%
-26.5% vs TC avg
§112
24.8%
-15.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 380 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 . Response to Amendment Claim 1 is amended. Claims 5-6 and 10-22 are cancelled. Claims 1-4, 7-9 and 23 are presently examined. Applicant’s arguments regarding claim interpretation of claim 9 have been fully considered and are persuasive. The interpretation of 7/2/2025 is withdrawn. Continued Examination Under 37 CFR 1.114 A request for continued examination under 37 CFR 1.114, including the fee set forth in 37 CFR 1.17(e), was filed in this application after final rejection. Since this application is eligible for continued examination under 37 CFR 1.114, and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114. Applicant's submission filed on 10/2/2025 has been entered. Specification The use of the term Gore-Tex [0056], which is a trade name or a mark used in commerce, has been noted in this application. The term should be accompanied by the generic terminology; furthermore the term should be capitalized wherever it appears or, where appropriate, include a proper symbol indicating use in commerce such as ™, SM , or ® following the term. Although the use of trade names and marks used in commerce (i.e., trademarks, service marks, certification marks, and collective marks) are permissible in patent applications, the proprietary nature of the marks should be respected and every effort made to prevent their use in any manner which might adversely affect their validity as commercial marks. Claim Interpretation Regarding claim 1, the claim recites the limitation “the first membrane and the second membrane configured to allow escape of air from within the reservoir” (lines 21-22), which is considered to be a statement regarding the intended use of the claimed membranes. The Courts have held that if the prior art structure is capable of performing the intended use, then it meets the claim. See MPEP § 2114. Therefore, for the purposes of this Office action, the limitation will be interpreted as if it required membranes through which air can leave the reservoir. 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 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. 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. This application currently names joint inventors. In considering patentability of the claims the examiner presumes that the subject matter of the various claims was commonly owned as of the effective filing date of the claimed invention(s) absent any evidence to the contrary. Applicant is advised of the obligation under 37 CFR 1.56 to point out the inventor and effective filing dates of each claim that was not commonly owned as of the effective filing date of the later invention in order for the examiner to consider the applicability of 35 U.S.C. 102(b)(2)(C) for any potential 35 U.S.C. 102(a)(2) prior art against the later invention. Claims 1-4, 7-9 and 23 are rejected under 35 U.S.C. 103 as being unpatentable over Chen (US 9,956,357) in view of Biel (US 2018/0220707) and Mudde (US 3,879,493) and von Borstel (US 8,646,461). Regarding claim 1, Chen discloses an atomizer (figure 3, reference numeral 100), which is considered to meet the claim limitation of a reservoir assembly, having a second housing (figure 3, reference numeral 114), which is considered to meet the claim limitation of an outer housing, that defines a liquid reservoir for storing liquid at its inner surface (column 3, lines 56-67, column 4, lines 1-3, figure 3, reference numeral 115). A lower end is defined by a gasket (figure 3, reference numeral 120) that has a liquid conducting hole through it (column 4, lines 17-31, figure 3, reference numeral 122). A wick extends into an open end of the reservoir (column 4, lines 4-16, figure 3, reference numeral 140). A liquid absorbing sheet is located between the gasket and the wick, and outside of the reservoir, that regulates the amount of liquid that passes through it to control the amount of liquid delivered to the wick (column 4, lines 32-49, figure 3, reference numeral 130), which is considered to meet the claim limitation of a transfer material. Chen does not explicitly disclose (a) first and second openings, (b) the membrane being a fabric, (c) the first and second openings located in the claimed locations and (d) the formulation being a non-nicotine formulation. Regarding (a), Biel teaches an electronic smoking device [0001] having a liquid reservoir having a semi-permeable membrane located in at least a part of the casing of the reservoir that allows air to enter into the liquid reservoir while prevent liquid from escaping the reservoir to allow air pressure to equalize inside the liquid reservoir while preventing a liquid leakage [0054]. There may be multiple membranes [0056] provided at different locations and in different shapes along the reservoir [0055]. One of ordinary skill in the art would recognize that the membrane would allow air to leave the reservoir since the membrane has pores of a constant size and Biel teaches that air is able to pass across the membrane [0054]. It would therefore have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to combine the second housing of Chen with the membrane of Biel. One would have been motivated to do so since Biel teaches a membrane that allows air pressure to equalize. Regarding (b), Mudde teaches a water vapor permeable composition comprising a blend of hydrophilic and hydrophobic polymeric materials (abstract) that is used as a film to prepare breathable yet water impermeable coated fabrics from woven textile products (column 29, lines 1-15). The textiles can be in the form of fibers and can have many different possible end uses (column 26, lines 13-23). It would therefore have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to use the vapor permeable fabric of Mudde as the membrane of modified Chen. One would have been motivated to do so since Mudde teaches a fabric that is suitable for use in varied end uses as a vapor permeable but water impermeable barrier. The selection of a known material based on its suitability for its intended use supports prima facie obviousness. See MPEP § 2144.07. Regarding (c), it would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to locate the membranes of modified Chen at the claimed locations. One would have been motivated to do so since Biel teaches that the membranes can be located at different locations. Rearrangement of parts where both arrangements are known equivalents is a design choice that gives predicable results. See MPEP § 2144.04 VI C. Regarding (d), von Borstel teaches a device for simulating a chemosensation of smoking (abstract) having a liquid composition that provides a strong throat hit and chest sensation while using a nicotine-free liquid (column 15, lines 27-44). Von Borstel additionally teaches that this liquid allows a smoker to alleviate their craving in areas where smoking is prohibited (column 1, lines 14-28). It would therefore have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to use the liquid of von Borstel as the liquid of modified Chen. One would have been motivated to do so since von Borstel teaches a liquid that allows a smoker to alleviate their craving in areas where smoking is prohibited. The selection of a known material based on its suitability for its intended use supports prima facie obviousness. See MPEP § 2144.07. Regarding claim 2, it is evident that the coated fibers of Mudde of hydrophobic since the fabric itself is water impermeable (column 29, lines 1-15) and the film is prepared by laminating the fabric with the composition (column 29, lines 16-32). One of ordinary skill in the art would therefore recognize that the composition coats the fibers of the fabric rather than forming a film that is separate from the fibers. Since there is no feature besides the coated fibers in the fabric of Mudde, and the fabric is water impermeable, it is evident that the coated fibers themselves must be water impermeable since there are no additional layers of components of the overall fabric. Regarding claim 3, modified Chen teaches all the claim limitations as set forth above. Biel additionally teaches that the membrane may be provided in different shapes [0056]. Modified Chen does not explicitly teach the membrane being provided in an opening having a slit shape. However, it would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to provide the opening in the second housing of modified Chen in a slit shape. One would have been motivated to do so since Biel teaches that the membrane may be provided in different shapes. The change in form or shape, without any new or unexpected results, is an obvious engineering design. See MPEP § 2144.04 IV B. Regarding claim 4, modified Chen teaches all the claim limitations as set forth above. Biel additionally discloses that there may be multiple membranes [0056] provided at different locations and in different shapes along the reservoir [0055]. Modified Chen does not explicitly teach a plurality of pinholes. However, it would have been obvious to one of ordinary skill in the art before the effective filing date of the claimed invention to provide multiple openings in the second housing of modified Chen covered with the membrane of Biel. One would have been motivated to do so since Biel teaches that multiple membranes that can be provided in different locations and sizes can be provided. The mere duplication of parts, without any new or unexpected results, is within the ambit of one of ordinary skill in the art. See MPEP § 2144.04 VI B. The change in form or shape, without any new or unexpected results, is an obvious engineering design. See MPEP § 2144.04 IV B. Regarding claim 7, Chen discloses that an air flow passage extends through the central portion of the of the atomizer (figure 3, reference numeral 113) and is defined by a first housing (column 3, lines 56-67, column 4, lines 1-3, figure 3, reference numeral 112), which is considered to meet the claim limitation of a conduit. The reservoir is defined between the first and second housings, and the wick extends between the outer surface of the first housing and the inner surface of the second housing since it occupies the space between the two housings (column 3, lines 56-67, column 4, lines 1-3). Regarding claim 8, Chen discloses that the atomizer has an atomizing base containing an atomizing element (column 5, lines 10-22, figure 3, reference numeral 160) that atomizes liquid (column 9, lines 50-65) to form a vapor (column 3, lines 51-55). The atomizing element includes a heating wire (column 6, lines 23-34, figure 7, reference numeral 152), which is considered to meet the claim limitation of a heater. Regarding claim 9, Chen discloses that the atomizer is connected to a power assembly (column 7, lines 3-20) that electrically connects to the atomizing assembly (column 8, lines 36-42). Regarding claim 23, Mudde teaches that the hydrophobic polymeric material is provided in the form of an emulsion that is then coated onto the substrate to form the vapor permeable composition (column 7, lines 34-47). Response to Arguments Regarding the rejections under 35 USC 103, applicant’s arguments have been fully considered and are persuasive. However, upon further consideration, new grounds of rejection are entered as set forth above. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to RUSSELL E SPARKS whose telephone number is (571)270-1426. The examiner can normally be reached Monday-Friday, 9:00 am-5 pm. 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, Philip Louie can be reached at 571-270-1241. 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. /RUSSELL E SPARKS/ Primary Examiner, Art Unit 1755
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Prosecution Timeline

Jul 15, 2020
Application Filed
Mar 02, 2023
Non-Final Rejection — §103
Jun 07, 2023
Response Filed
Jul 05, 2023
Final Rejection — §103
Oct 03, 2023
Response after Non-Final Action
Oct 26, 2023
Response after Non-Final Action
Oct 26, 2023
Examiner Interview (Telephonic)
Nov 07, 2023
Request for Continued Examination
Nov 09, 2023
Response after Non-Final Action
Mar 21, 2024
Non-Final Rejection — §103
Jun 20, 2024
Response Filed
Aug 12, 2024
Final Rejection — §103
Nov 15, 2024
Response after Non-Final Action
Dec 03, 2024
Request for Continued Examination
Dec 04, 2024
Response after Non-Final Action
Mar 07, 2025
Non-Final Rejection — §103
Jun 09, 2025
Response Filed
Jun 28, 2025
Final Rejection — §103
Sep 18, 2025
Examiner Interview Summary
Sep 18, 2025
Applicant Interview (Telephonic)
Oct 02, 2025
Request for Continued Examination
Oct 03, 2025
Response after Non-Final Action
Feb 09, 2026
Non-Final Rejection — §103 (current)

Precedent Cases

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2y 5m to grant Granted Mar 17, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

7-8
Expected OA Rounds
63%
Grant Probability
79%
With Interview (+16.2%)
3y 9m
Median Time to Grant
High
PTA Risk
Based on 380 resolved cases by this examiner. Grant probability derived from career allow rate.

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