Prosecution Insights
Last updated: May 29, 2026
Application No. 18/618,457

SEGMENTED WALL AND LANDSCAPING BLOCK SYSTEMS WITH LUG PROCESSES

Final Rejection §102§103
Filed
Mar 27, 2024
Priority
Jun 01, 2023 — provisional 63/505,625
Examiner
OQUENDO, CARIB A
Art Unit
3678
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
Keystone Retaining Wall Systems LLC
OA Round
2 (Final)
78%
Grant Probability
Favorable
3-4
OA Rounds
0m
Est. Remaining
91%
With Interview

Examiner Intelligence

Grants 78% — above average
78%
Career Allowance Rate
656 granted / 841 resolved
+26.0% vs TC avg
Moderate +13% lift
Without
With
+13.2%
Interview Lift
resolved cases with interview
Fast prosecutor
1y 11m
Avg Prosecution
16 currently pending
Career history
859
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
80.8%
+40.8% vs TC avg
§102
5.0%
-35.0% vs TC avg
§112
13.4%
-26.6% vs TC avg
Black line = Tech Center average estimate • Based on career data from 841 resolved cases

Office Action

§102 §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 . Claim Rejections - 35 USC § 102 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 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. Claim(s) 1-2, 7-8, 13-14, and 40 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Shaw (US 2005/0069389). With regards to claim 1, Shaw discloses a wall system (50) comprising: a plurality of landscaping blocks (1), each comprising: a front portion (18), a back portion (19), and first and second sidewall portions (20, 21) extending between the front portion and the back portion (figure 1-2); an opening (8) having a perimeter defined along inner surfaces of the front, back and first and second sidewall portions (10, 9, 11, 12), respectively; and a lug process (29, 30) extending from each of the first and second sidewall portions; a first course comprising a first number of said landscaping blocks; and a second course comprising a second number of said landscaping blocks, stacked vertically with respect to the first course (figure 4); wherein the lug processes extending from the first and second sidewall portions of a landscaping block in the first course engage different openings in an adjacent pair of the landscaping blocks in the second course (figures 5-8). As to claim 2, Shaw discloses wherein the lug processes (29, 30) on adjacent sidewall portions of an adjacent pair of the landscaping blocks in the first course engage a same opening of a single landscaping block in the second course (figure 5 and 8). As to claim 7, Shaw discloses As to claim 8, Shaw discloses wherein: at least one side of each lug process (29, 30) extends flush with the inner surface of the respective sidewall portion; at least one side of each lug process extends flush with an outer surface of the respective sidewall portion; or opposing sides of each lug process extend flush with opposing sides of the respective sidewall portion (figure 1 and 4). As to claim 13 and 14, Shaw discloses wherein: the second course is stacked vertically above and adjacent the first course; or the lug processes (29, 30) are offset from the back portions of the landscaping blocks along the respective sidewall portions, such that the second course is horizontally offset from the first course; and wherein: the first course is stacked vertically above and adjacent the second course; or the lug processes are offset from the front portions of the landscaping blocks along the respective sidewall portions, such that the first course is horizontally offset from the second course (figure 1-4). As to claim 40, Shaw discloses a method for assembling a wall system, the method comprising: providing a plurality of landscaping blocks, each comprising: a front portion (18), a back portion (19), and first and second sidewall portions (20, 21) extending between the front portion and the back portion; an opening (8) having a perimeter defined along inner surfaces of the front, back and first and second sidewall portions, respectively; and a lug process (29, 30) extending from each of the first and second sidewall portions; assembling a first course comprising a first number of said landscaping blocks; and assembling a second course comprising a second number of said landscaping blocks, stacked adjacent the first course; wherein the lug processes extending from the first and second sidewall portions of a landscaping block in the first course engage different openings in an adjacent pair of the landscaping blocks in the second course; and wherein the lug processes on adjacent first and second sidewall portions of an adjacent pair of the landscaping blocks in the first course engage a same opening of a single landscaping block in the second course (figures 1-8). Claim(s) 38 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Stell (US 2022/0112677). As to claim 38, Stell discloses A method for manufacturing landscaping blocks, comprising: molding one or more of the landscaping blocks with a front wall portion, a back portion, and first and second sidewall portions extending between the front wall portion and the back portion (paragraph 0044); defining openings (202) in the one or more landscaping blocks between the front wall portion, the back portion and the first and second sidewall portions, the openings having perimeters extending along inner surfaces thereof; and providing lug processes (208) having symmetric beveled surfaces extending from each of the first and second sidewall portions; wherein the beveled surfaces are configured to engage different openings in an adjacent pair of said landscaping blocks, when stacked in a course of a wall system; and wherein the beveled surfaces on the lug processes of adjacent first and second sidewall portions of the adjacent pair of landscaping blocks are configured to engage a same opening of a single such landscaping block, when stacked in an adjacent course of the wall system (figures 1 and 14). 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. Claim(s) 3-7, 10-12, 16-22, 24-28, and 30-38 is/are rejected under 35 U.S.C. 103 as being unpatentable over Shaw (US 2005/0069389) in view of Stell (US 2022/0112677). As to claim 3, Shaw discloses the invention substantially as claimed. However, Shaw is silent about wherein the lug processes have beveled surfaces adapted to engage the openings along one or more of the respective inner surfaces. Stell discloses a similar wall system including a block wherein the lug processes (208) have beveled surfaces adapted to engage the openings along one or more of the respective inner surfaces (figure 14; paragraph 0066). It would have been obvious to one of ordinary skill in the art to modify the shape of the lug process of Shaw for the shape as taught by Stell, since it would provide a beveled surface to contact the opening inner surface of an adjacent block at different angles. As to claim 4, Shaw as modified above discloses wherein the beveled surfaces of the lug processes are symmetric about a centerline extending between the front and back portion of the landscaping block (Shaw figure 1; Stell figure 12). As to claim 5, Shaw as modified above discloses wherein the beveled surfaces (208) are oriented toward the back portion of the landscaping block, and configured to engage the different openings along the inner surfaces of the respective back portions of the landscaping blocks in the second course (Shaw figure 1 and 5; Stell figures 1 and 14). As to claim 6, Shaw as modified above discloses wherein the beveled surfaces (208) are oriented toward the front portion of the landscaping block, and configured to engage the perimeters of said openings along the inner surfaces of the respective front portions of the landscaping blocks in the second course (Shaw figure 1 and 8; Stell figures 1 and 14). As to claim 7, Shaw as modified above discloses wherein the first and second sidewall portions (20, 21) of the landscaping block in the first course are configured share a load path with at least one sidewall portion of each of the adjacent pair of landscaping blocks in the second course (Shaw figure 14). As to claims 10-12 and 24-26, Shaw discloses the invention substantially as claimed. However, Shaw is silent about further comprising: a nesting structure defined along one or more exterior surfaces of the first and second sidewall portions of the landscaping block; wherein the nesting structure is adapted to receive a lug process of an additional instance of said plurality of landscaping blocks, when stacked in an adjacent layer for shipping or storage; wherein the nesting structure is adapted for landscaping blocks in the adjacent layer to have a reversed or rotated orientation when stacked for shipping or storage, or a stacked shipping or storage height that is the same as an installed height of the landscaping blocks in the first and second courses; and wherein the nesting structure is adapted to limit lateral motion of landscaping blocks in the adjacent layer during shipping by engaging the respective lugs thereof. Stell teaches a block including a nesting structure (outside surface of sidewalls 205, 207, 105, 107) defined along one or more exterior surfaces of the first and second sidewall portions of the landscaping block; wherein the nesting structure is adapted to receive a lug process of an additional instance of said plurality of landscaping blocks, when stacked in an adjacent layer for shipping or storage; wherein the nesting structure is adapted for landscaping blocks in the adjacent layer to have a reversed or rotated orientation when stacked for shipping or storage, or a stacked shipping or storage height that is the same as an installed height of the landscaping blocks in the first and second courses; and wherein the nesting structure is adapted to limit lateral motion of landscaping blocks in the adjacent layer during shipping by engaging the respective lugs thereof (figure 1 and 15). It would have been obvous to one of ordinary skill in the art to modify the shape of the block of Shaw to have an outside surface shape as taught by Stell, since it would provide a surface to engage the adjacent block at different angles. As to claim 16 and 27, Shaw discloses a landscaping block comprising: a front wall portion(18); a back portion (19); first and second sidewall portions (20, 21) extending between the front wall portion and the back portion(figure 1-2); an opening (8) defined between the front wall portion, the back portion and the first and second sidewall portions, and having a perimeter defined along inner surfaces thereof; and lug processes (29, 30) extending from each of the first and second sidewall portions extending from the top surface and offset from the back portion (see claim 1 rejection). Shaw is silent about wherein the lug processes have beveled surfaces configured to engage different openings in an adjacent pair of such landscaping blocks, when stacked in adjacent course of a wall system. Stell discloses a similar wall system including a block wherein the lug processes (208) have beveled surfaces adapted to engage the openings along one or more of the respective inner surfaces (figure 14; paragraph 0066). It would have been obvious to one of ordinary skill in the art to modify the shape of the lug process of Shaw for the shape as taught by Stell, since it would provide a beveled surface to contact the opening inner surface of an adjacent block at different angles. As to claim 17, Shaw as modified above discloses wherein the beveled surfaces of the lug processes are symmetric about a centerline extending between the front and back portion of the landscaping block (Shaw figure 1; Stell figure 12). As to claim 18, Shaw as modified above discloses wherein the beveled surfaces (208) are oriented toward the back portion of the landscaping block, and configured to engage the different openings along the inner surfaces of the respective back portions of the landscaping blocks in the second course (Shaw figure 1 and 5; Stell figures 1 and 14). As to claim 19, Shaw as modified above discloses wherein the beveled surfaces (208) are oriented toward the front portion of the landscaping block, and configured to engage the perimeters of said openings along the inner surfaces of the respective front portions of the landscaping blocks in the second course (Shaw figure 1 and 8; Stell figures 1 and 14). As to claim 20, Shaw as modified above discloses wherein the beveled surfaces (208) are configured for the lug processes on adjacent sidewalls of a pair of such landscaping blocks to engage a same opening of a single such landscaping block, when stacked in the adjacent courses of the wall system (see claim 2-3 rejection). As to claim 21, Shaw as modified above discloses wherein the first and second sidewall portions are configured to share a load path with at least one sidewall portion of each of the adjacent pair of landscaping blocks, when stacked in the adjacent courses of the wall system (see claim 7 rejection). As to claim 22, Shaw as modified above discloses wherein: at least one side of each lug process extends flush with the inner surface of the respective sidewall portion; at least one side of each lug process extends flush with an outer surface of the respective sidewall portion; or opposing sides of each lug process extend flush with opposing sides of the respective sidewall portion (Shaw figure 1; Stell figure 1). As to claim 28, Shaw as modified above disclose A wall system comprising a plurality of landscaping blocks according to claim 16 (see rejection above), stacked in first and second adjacent courses, wherein the lug processes on a single landscaping block in the first course engage the different openings in the adjacent pair of landscaping blocks in the second course (figure 8). As to claim 30-33, Shaw discloses a landscaping block comprising: a front wall portion; a back portion; first and second sidewall portions extending between the front wall portion and the back portion; an opening (8) defined between the front wall portion, the back portion and the first and second sidewall portions, and having a perimeter defined along inner surfaces thereof; lug processes (29, 30) extending from each of the first and second sidewall portions (see claim 1 rejection). Shaw discloses the invention substantially as claimed. However, Shaw is silent about further comprising: a nesting structure defined along one or more exterior surfaces of the first and second sidewall portions of the landscaping block; wherein the nesting structure is adapted to receive a lug process of an additional instance of said plurality of landscaping blocks, when stacked in an adjacent layer for shipping or storage; wherein the nesting structure is adapted for landscaping blocks in the adjacent layer to have a reversed or rotated orientation when stacked for shipping or storage, or a stacked shipping or storage height that is the same as an installed height of the landscaping blocks in the first and second courses; and wherein the nesting structure is adapted to limit lateral motion of landscaping blocks in the adjacent layer during shipping by engaging the respective lugs thereof. Stell teaches a block including a nesting structure (outside surface of sidewalls 205, 207, 105, 107) defined along one or more exterior surfaces of the first and second sidewall portions of the landscaping block; wherein the nesting structure is adapted to receive a lug process of an additional instance of said plurality of landscaping blocks, when stacked in an adjacent layer for shipping or storage; wherein the nesting structure is adapted for landscaping blocks in the adjacent layer to have a reversed or rotated orientation when stacked for shipping or storage, or a stacked shipping or storage height that is the same as an installed height of the landscaping blocks in the first and second courses; and wherein the nesting structure is adapted to limit lateral motion of landscaping blocks in the adjacent layer during shipping by engaging the respective lugs thereof (figure 1 and 15). It would have been obvous to one of ordinary skill in the art to modify the shape of the block of Shaw to have an outside surface shape as taught by Stell, since it would provide a surface to engage the adjacent block at different angles. As to claims 34-35, Shaw as modified above discloses a storage system comprising a plurality of landscaping blocks according to claim 30, stacked in first and second adjacent layers, wherein the nesting structures of said landscaping blocks in the first layer engage the respective lug structures of said landscaping blocks in the second layer to limit lateral motion thereof (see Stell figure 1 and 14). As to claim 36, Shaw as modified above discloses wherein the lug processes (208) have beveled surfaces configured to engage different openings in an adjacent pair of such landscaping blocks, when stacked adjacent the landscaping block in a wall system. (figure 14). As to claim 37, Shaw as modified above discloses wall system comprising a plurality of landscaping blocks according to claim 36, stacked in first and second adjacent courses, wherein the lug process on one of the landscaping blocks in the first course engage the different openings in the adjacent pair of landscaping blocks in the second course (Shaw figure 8; Stell figure 8 and 14). As to claim 38, Shaw as modified above discloses wherein: the first and second sidewall portions of the landscaping blocks in the second course are configured to engage at least one sidewall portion of each of the adjacent pair of landscaping blocks in the second course (Shaw figure 1 and 8). Claim(s) 9 is/are rejected under 35 U.S.C. 103 as being unpatentable over Shaw (US 2005/0069389) in view of Whitson (US 2002/0023403). As to claim 9, Shaw discloses the invention substantially as claimed. However, Shaw is silent about further comprising a flat formed on the first and second sidewall portions of the landscaping blocks, adjacent the lug processes, wherein the lug processes are spaced from the inner surfaces of the sidewall portions by the flats. Whitson teaches a similar block including lug process (100, 101) and further comprising a flat (figure 7) formed on the first and second sidewall portions of the landscaping blocks, adjacent the lug processes, wherein the lug processes are spaced from the inner surfaces of the sidewall portions by the flats (figures 1-15). It would have been obvious to one of ordinary skill in the art to modify the lug process of Shaw for the lug process as taught by Whitson, since it would provide a lug for different curves. Claim(s) 15 is/are rejected under 35 U.S.C. 103 as being unpatentable over Shaw (US 2005/0069389) in view of Rodrique (US 5,353,569). As to claim 15, Shaw discloses the invention substantially as claimed. However, Shaw is silent about further comprising one or more angled or wedge structures defined on the back portion of one or more landscaping blocks in the first course, having a width selected to match a distance between the back portions of the adjacent pair of the landscaping blocks in the second course. Rodrique teaches a similar block including further comprising one or more angled or wedge structures defined on the back portion of one or more landscaping blocks in the first course, having a width selected to match a distance between the back portions of the adjacent pair of the landscaping blocks in the second course (figures 1-16). It would have been obvious to one of ordinary skill in the art modify the back portion of Shaw to include the angle structures as taught by Rodrique, since it would provide another angle structures to engage and guide the block location. Claim(s) 23 is/are rejected under 35 U.S.C. 103 as being unpatentable over Shaw (US 2005/0069389) in view of Stell (US 2022/0112677) and Whitson (US 2002/0023403). As to claim 23, Shaw discloses the invention substantially as claimed. However, Shaw is silent about further comprising a flat formed on the first and second sidewall portions of the landscaping blocks, adjacent the lug processes, wherein the lug processes are spaced from the inner surfaces of the sidewall portions by the flats. Whitson teaches a similar block including lug process (100, 101) and further comprising a flat (figure 7) formed on the first and second sidewall portions of the landscaping blocks, adjacent the lug processes, wherein the lug processes are spaced from the inner surfaces of the sidewall portions by the flats (figures 1-15). It would have been obvious to one of ordinary skill in the art to modify the lug process of Shaw for the lug process as taught by Whitson, since it would provide a lug for different curves. Claim(s) 29 is/are rejected under 35 U.S.C. 103 as being unpatentable over Shaw (US 2005/0069389) in view of Stell (US 2022/0112677) and Rodrique (US 5,353,569). As to claim 29, Shaw discloses the invention substantially as claimed. However, Shaw is silent about further comprising one or more angled or wedge structures defined on the back portion of one or more landscaping blocks in the first course, having a width selected to match a distance between the back portions of the adjacent pair of the landscaping blocks in the second course. Rodrique teaches a similar block including further comprising one or more angled or wedge structures defined on the back portion of one or more landscaping blocks in the first course, having a width selected to match a distance between the back portions of the adjacent pair of the landscaping blocks in the second course (figures 1-16). It would have been obvious to one of ordinary skill in the art modify the back portion of Shaw to include the angle structures as taught by Rodrique, since it would provide another angle structures to engage and guide the block location. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to CARIB A OQUENDO whose telephone number is (571)270-7411. The examiner can normally be reached Monday-Friday, 9am-5:30pm. 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, Amber Anderson can be reached at 571-270-5281. 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. /CARIB A OQUENDO/ Primary Examiner, Art Unit 3678
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Prosecution Timeline

Mar 27, 2024
Application Filed
Oct 09, 2025
Non-Final Rejection mailed — §102, §103
Feb 06, 2026
Response Filed
May 26, 2026
Final Rejection mailed — §102, §103 (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

3-4
Expected OA Rounds
78%
Grant Probability
91%
With Interview (+13.2%)
1y 11m (~0m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 841 resolved cases by this examiner. Grant probability derived from career allowance rate.

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